Installer technician conventional
Which of the following is the correct definition for a type of circuit graph
! Diagram shows the components of physical location in a circle
(-25) + (42) + (-62) + (20) =?
-25
(17) x (-19) =?
-323
Define the OHM in its relationship with voltage and current
1 0HM is the amount of resistance that will allow one amp of current to flow when 1 V is applied to the circuit
7 3/8 * 7 1/4=
1 1/58
What is the input to output power ratio of a coaxial cable that has 1/10 bel of attenuation
1.2589:1
What is the power ratio for 2 db
10:1
What is the total D C Loop resistance of a 1850 foot piece of 0.500 inch coax cable with a D C Loop resistance of 1.3 40HMS per 1000 feet
2.4790HMS.
What are two alternate ways to express 2 megavolt?
2MV or 2 million volts
And input to output, power ratio of 10:1 has an input to output voltage ratio of——-
3.162:1 the square root of the power ratio
0.5349 * 0.1420 =
3.7669014
Which of the following best describes a number that compares in about less than a whole number to the whole amount
A fraction
Batteries connected in series———— their voltage
Batteries connected in series at their voltages
Why did broadband cable communications adopt the decibel instead of using the standard unit of voltage and power for RF signal measurements?
Because using the standard units of voltage in power resulted in unwieldy, and hard to remember numbers
A common problem at the ground block is CPD. What usually causes CPD?
Corrosion
Ohms law states current is———-
Current is directly proportional to voltage and inversely proportional to resistance
What do we call the flow of electrons through a conductor
Current is the transfer of energy from electron to electron resulting from the directed movement or flow of electrons through a conductor
Simplify and solve the equation if E = IR, then I=?
E/R
Name three ways to increase the strength of an electromagnetic field
Increasing the current flow , increasing the number of turns in the coil, placing an iron core inside the coil, increasing the flux line density
What is Er2 in a DC series circuit where R1 = 150 ohms, R2 = 150 ohms, R3 = 550 ohms , It = 0.2 amps
Not 40 volts
Across which resistor is the greatest voltage drop in a DC series circuit, where R1 = 25ohms, R2 = 50 ohms, R3 = 75 ohms, R4 = 10 ohms
R3 =75 ohms
What is the best way to make sure your facial expressions do not contradict your words
Tell the truth, allowing your facial muscles to relax
To break the habit of a negative self-talk cycle
Tell yourself "not now" and move onto a positive thought whenever negative thoughts occur.
The total power in a series circuit is—————
The total power in a series circuit is equal to the sum of the powers in each individual resistor
Which of the statements is true of axioms
When A= c and B=c then A=B, because both are equal to C, which supports the axiom quantities, equal to the same quantity or equal to each other
When might and LTE service providers field personal contact local cable system personal regarding a cable signal leakage issue
When cable leakages occurs in the 698-806MHZ frequency spectrum
Which of the following best describes normal current flow
When conductors are correctly connected, there is a complete current path
When examining a power cord for damage, what part of the cord is the most vulnerable?
Where the cord meets the plug
Define energy
the ability to do work
Define power
the rate at which work is done
(-17) - (-34) =?
17
(250 x 10 -6th) - ( 7 x 10 -5th)
180 x 10 -6th
What is the effective speed of electric current?
186, 00 0 mi./s
3 6/9 + 6 1/3 + 9 5/9 =
19 5/9
-49 * -7?
7
How can the proper operation of a leakage detector in a monitoring vehicle be verified?
By creating a test leak
There are three essential requirements for current to flow in a circuit, power source, load and what?
Connecting conductors
What is the OHMS law equation for resistance
R=E/I
Which term best describes the opposition, immaterial or device offers to the current flow
Resistance
At what modulation air raid does the reception of a 64QAM and a 256 QAM carrier begin to degrade
The reception of a 64Q a.m. carrier begins to degrade around to 2DBM ER and 8256Q a.m. carrier begins to degrade around 28DBM ER
What does it mean if a splitter has a high amount of isolation between the splitter output ports
There is less chance of passing RF interference from one TV set to another
Moving a quantity or term from one side of the = to the other side and changing its sign is called
Transposing
Define a volt in terms of current and resistance.
1 V is the amount of force required to produce a current of one amp through a resistance of one ohm
What is the input to output voltage ratio of a coaxial cable that has an attenuation of 1 bel? 2 bels?
1 bel has a voltage ratio of 3.162:1 A 2 bel cable has a 10:1 voltage ratio
What is the minimum acceptable signal level of 0 dbmV at TV set inputs
1 mV across 75 OHMS
What fraction in percentage are equal to the ratio of 1:5
1/5 or 20%
1:5 ratio is equal to——-
20%
(75 x 10 3rd) + (25 x 10 4th)
32.5 x 10 4th
MER indicates digital modulation signal quality what should be the minimum M ER reading 48256 QAM signal for error free reception and adequate margin
32DB
(83x 10 6th) + (27 x 10 7th) =
353 x 10 6th
0.00004 = ______ x 10 to the power of ______.
4, -5
67.84 + 81.786 + 4281.98 =
4,431.606
What is 5kV equivalent to
5000 v
How many OHMS does R2 have any DC series circuit where R1 = 33 ohms, R3 =47 ohms, R4 = 56 ohms, and Rt = 197 ohms
61 ohms
Which of the following best describes a schematic diagram
A simple line design used to represent a component or device in a diagram
What are the properties of an optical terminator?
An optical terminator should match the refractive index and optical properties of the optical link so that no light is reflected, and must be of the same connector type and end-face polish as the connectors used in the fiber-optic patch panel.
You are at a customers home and you are asking my customer whether the problem is intermittent or constant which steps are you using from the six steps troubleshooting process?
Diagnose the symptoms
What should be done when troubleshooting the MTA after a power failure?
Ensure battery is installed
Which of the following is considered a soft skill
Explaining technical information
The FCC specifies the acceptable linkage limits for the maximum acceptable field strength of 15V/M at 30 m at what frequencies?
Frequencies above 216MHZ
What frequencies can interfere with cellular telephone services?
Frequencies above 698MHZ can interfere with LTE - 4G service
Which frequency bands and their communication signals concern, both the FAA and cable operators
Frequency bands that concern both FAA and cable operators are 108-137 and 225-400
Where does most of the leakage in the UHF band originate?
From the hardline cable plant
How is electric current produced?
From the transfer of energy from valance electron to valance electron because of applied charges
What can manufacturers use to actuate a reed switch?
Manufacturers can use a permanent magnet or an electromagnet to provide the magnetic field needed to actuate a reed switch
What is the procedure for determining the actual insertion loss of a splitter
Measuring the input level, measuring the output, port level, subtracting each measurement
Why do metals that each have only one valence electron differ in their conductivity
Metals that each have one valance electron differ in their conductivity, because of the way their atoms pack together into a solid structure
Which of the following is recommended as a best practice for preventing future leakage and ingress
Monitoring the kitchen for both VHF and UHF bandS
What test equipment is used to locate an isolate a fiber fault
OTDR
What is it the opposition immaterial offers to the flow of current
Resistance
Which of the following connectors uses a bayonet coupling mechanism?
S T connectors
What is the input to output voltage ratio of a coaxial cable that has 1 db of attenuation? 3 db 10db?
The voltage ratio for a 1db length of coaxial cable is 1.122:1, for a 3 db cable is 1.413:1, and for a 10db cable is 3.162:1
Why is optical network documentation required within the fiber net work?
To identify where individual fibers are extracted from a cable and routed to a particular area
After testing each service to ensure they are working. What should the technician do next?
Verify that all readings for with an acceptable specifications, document the reading for the next technician, and communicate to the customer what the problem was, and how it was resolved
You were at a customers home and you believe you have solved the problem. When you check to ensure the resolution did not introduce any new problems, which step are you using from the six step troubleshooting process
Verify the solution
What is the name of a measurement of electrical force or pressure?
Voltage
WhenDb values are added (2 db + 3 db=5db) what is the effect on the corresponding ratios?
When db values are added (2db + 3db =5db) the effect on the corresponding ratios is that they are multiplied (1.2589 x 1.4125.= 1.778)
How many valence electrons are in a semiconductor
A semiconductor has four valence electrons.
What determines the strength of an electromagnetic field?
An electromagnetic field is determined by the magnitude of the MMF
One————-is equal to one bolt times a current of one amp
One watt
Which is a common source of OTA ingress in lower frequencies
Shortwave radio
How does the speed of electric current compared to that of electron travel?
The affective speed of electric current is 186, 00 0 mi./s is much faster than the actual speed of electron travel
What is the unit of energy that expresses both voltage and quality of electrons?
The joule
What is the potential difference between two negative charges of equal value
The potential difference between two negative charges of equal value of zero. There is no potential difference.
Which orbital shell has a maximum electron capacity of 18 electrons
The third shell
Why do values expressed in dBmV progress nonlinearly compared to a linear mV
They are based on the logarithms of power ratios
Why is it essential to maintain a clear and confident tone of voice?
They clear turn off voice can influence the customers image of you and the company you represent
How much current would an applied voltage of 60 V cause in a circuit of 300 OHMS of resistance
0.2 ampere
8.13 X 0.123 =
0.99999
What is the input to output power ratio of a coaxial cable that has 1db of attenuation?
1.2589:1
What is the input to output power ratio of a coaxial cable that has 3 db of attenuation
1.995:1 (2:1)
What is the input to output power ratio of 2 bels of a similar impedance cable?
100:1
Which of the following MHC are the aeronautical frequency bands
108-137 and 225-400MHZ
What is the test frequency range required by the FCC for signal leakage detection
108-137MHz VHF aeronautical band
The starting point of the entire decibel measurement system is the bel which is clearly defined as a———— power ratio
10:1
What is the input to output power ratio of a coaxial cable with an attenuation of one bel?
10:1
How much signal is necessary from the subscribers tap port at 750MHZ to provide a minimum of 3.0 DBMV to the TV said or the drop is 150 feet of series 6 cable and there is just one outlet. Use 5.65DB per 100 feet for the attenuation rate and round off to the nearest 10th.
11.5 dBmV
convert 1/8 to a percent
12.5%
What is the total voltage of a DC series circuit where Er1 = 20 volts, Er2 = 45 volts, and Er3 = 57 volts
122 Volts
What is the v/m level of a -37DBMV signal leakage measurement at 127.2625 MHZ.
14.12 V/m
Analog signals, less than an including 54MHZ and over 216MHZ has a signal leakage limit of————v/m at 30 meters
15
To maintain a 3 dBmV input signal to two TVs what would be the minimum signal level at the tap if the drop is 150 feet long with in attenuation rate of 5.65 with a four way splitter
19 dBmV
What is the total direct current DC loop resistance of a 350 foot piece of series 59 drop cable when the DC loop resistance of that series 59 cable is 56.0 40HMS per 1000 feet
19.6140HMS.
When, bending a bond wire, what is the minimum bend radius?
2.5 inches.
When using an optical coupler, what is the insertion loss if the desired split ratio is 40/60?
2.7 DB
According to the FCC, leaks _____ and above measured _____ feet from the cable must be logged and repaired.
20, 10
When were additional rules enacted by the FCC that require close captioning of much of the programming delivered through IP
2012
How many OHMS of resistance is required for a circuit with a voltage of 30 V and a circuit current of 1.3 A
23.077
How many watts of power are consumed in a circuit with an applied voltage of 60 V and a load of 150 0HMS
24
A signal increase of 1 db represents a—————-increase in power
25.89%
(10 x 10 3rd) + ( 26 x 10 4th)
270 x 10 3rd
(20) * (-40 + (-2) x (-10) - (-2) x ( 7) =?
29
What is the maximum top value that can be installed when the tap is connected directly to a line extender, amplifier output at the line extender output is 45 DBMV. The longest amount of Series six coax cable from the tab to either of the two TV sets is 150 feet, the series 6 coax cable attenuation rate is 5.65 DB per 100 feet, the drop includes a spider with a 4.0 DB loss and, this is the minimum signal level required at each of the two TV sets is 3.0 DBMV
29 db
What is the square of 7
49
What are two alternate ways to express for kilovolts?
4kv or 4000 volts
What are three alternate ways to Express five and 3MA
5 microvolts, 5/1000000 volts or 0.00005 V, and three Milla amps. 3/1000 amps or 0.003 A
The deployment of—————-for use as a public safety communications technology will significantly increase the importance of controlling and reducing leakage in Ingres issues
700MHZ LTE
When checking for continuity of coax cable used in the Broadbent industry using the DC loop resistance, which of the following readings on the DMM indicates the cable is good
75 Ohm plus the correct DC loop resistance
All dBmV values represent a voltage level that must be measured across what value impedance?
75 ohms
What is the total resistance of kilo-ohms for a DC series circuit with R1= 15 kilo-ohms, R2= 25 kilo-ohms, and R3 = 47 kilo-ohms
87 kilo-ohms
( 480 x 10 -5th) * (60 x 10 -3rd)
8x 10 -2nd
What is the square root of 81?
9
How much RF signal power is lost in the length of coax cable with an attenuation of one bel
90%
What does the ITU ITU - T J.83. Annex B I refer to in the QAM settings.
A 6MHZ wide QAM channel
Explain how a basic loudspeaker produces sound
A basic loudspeaker utilizes both a permanent magnet and an electromagnetic coil to produce sound. Current produced by a sound wave is made to flow through the voice coil. The resultant magnetic field of the coil interacts with the magnetic field of the permanent magnet, which causes the coil to move. The cone to which the coil is attached moves back and forth in relation to the varying current of the original sound, which causes the air around the cone to move, thus producing sound.
What can occur when the resistance on the drop ground is different from the resistance on the electrical system ground
A condition called a ground loop can occur a ground loop is unwanted. Current in a conductor, connecting two points that are supposed to be at the same potential often ground but are actually a different potentials.
What is the forms name that a broadband cable operator must file annually with the FCC listing all measured leakage levels in their net work?
A form 320
Which type of loss can be harmful to laser sources, and can lead to an increase in a bit air rate
A high optical return loss value can be harmful to laser sources in can lead to an increase in bit error rate
What is the reference level in dbmV and the power level in nW represented by 1 mV
A level of 1 mV across 75 OHMS represents the 0 dbmV reference level, and a power level of 13.33NW
What aspect of an electric circuit does a parts layout show
A parts layout shows the physical location of the components are devices in a circuit
What might a poor attitude, a poor self-image, or physical and mental exhaustion indicate?
A poor attitude, poor self image, or physical and mental exhaustion can indicate stress
What are the three basic elements of an electrical circuit?
A power source, a load, and the connecting conductors
A ———— hey circuit has only one path for current flow
A series circuit has only one path for current flow
The series circuit must provide————-,——————,—————— for current flow
A series circuit must provide only one path for current flow
Supposed cable technicians, do not have access to the latest commercial UHF test equipment. What can be used as a short term solution to confirm if QAM signals leak from the cable system
A spectrum analyzer, preamplifier, and a high gain UHF antenna
What do you call a simple line design, representing a component or device in a schematic diagram
A symbol
What is the purpose of a tagger when detecting in measuring signal leakage?
A tagger insures any leak measured emanates from the cable system
What equipment is used to identify which wires feed which station Jack's?
A tone generator and probe
What happens to a valance electron that has enough energy added to it?
A valence electron that has enough energy added to it, moves away from its Atom
The leakage detectors calibration can't be verified using the systems, leakage carrier, an SLM and....
A variable attenuator
What gauge wire has approximately four times more cross-sectional area than AWG18
AWG 12
Per the FCC acceptable leakage limits for a maximum acceptable field strength of 15V/M at 30 m is for which frequencies
Above 216MHZ
Where should in 0HM meter be connected within a circuit
Across the resistor that is disconnected from the circuit voltage
When should the drop cable between the ground black and the customers tap be replaced
After it has been inspected for a defect or damage, and monitored with a signal leakage detector
Magnetic poles that are——-will——-each other when these poles are near each other
Alike, repel
What are three long-term practices that can help relieve stress
Alleviate stress, you can exercise daily limit your caffeine intake, or develop a support system of friends and relatives
The result of current in a series circuit being equal to the circuits, total voltage, divided by its total resistance is an————
An application of ohms law
What is an electromagnet?
An electromagnet is a temporary magnet that is made by applying a potential difference to a wire that is wrapped around a core of magnetic material
What device is used to measure the power in an optical signal?
An optical power meter OPM
What should be done if he keep a lot of analyzer experiences in interruption during provisioning with the cable modem termination system?
Any interruption to a provisioning step can be diagnosed using information from the cable modems analyzer status field
What can force electrons to all move in the same direction?
Applying a negative charge to one end of the wire in a positive charge to the other can force electrons to all move in the same direction
Which represents the values expressed in dbmV preceded by a -sign
Are use a voltage less than 1 mV across 75 OHMS
When installing a drop amplifier where is the best place to install it?
As close as possible to the premises entry point
How far should an aerial drop key will be placed from the power utility feed where the cables attached at the premise
At least 12 inches
What is the preferred bonding method for cable network installations per NEC guidelines
Attach the cable installation ground blocks bonding wire to the premises, electrical service meter ground wire with a wire not less than 128 AWG in size
Identify one dangerous phrase and replace it with a word or phrase that reflects trust, and a desire to help the customer
Avoid the following, I don't know, I'll try, you didn't, and you have to, I can't do that, replacement phrases, I'll find out, I will, did you, will you, what I can do is...
Why are some materials magnetic while others are not?
Because in most materials, half of the electrons in each atom spin in one direction, while the other half of electron spin in the opposite direction, canceling each other which results in no creation of a magnetic field for the atom
In analyzing the faults of the customers location, you will need to determine if the problem is isolated or encompasses a large area of the cable system. If the problem is affecting the whole house, how should you proceed?
Begin your isolation at the ground block
What does "sincere "mean in the acronym RESPECT when addressing customer issues
Being sincere means showing your customer that you genuinely care about creating a better "user experience "
In which segment of the cable network do most of the issues reside that affect the quality and performance of the network
Between the ground block in the devices within the home
What aspect of an electrical system does a block diagram show
Block diagram shows the circuits as rectangles and other shapes, and shows how they relate to one another
What does brainstorming for creative thinking entail
Brainstorming is the act of focusing on a problem, coming up with as many solutions as possible, and pushing the ideas as far as possible it was best conductors in a small group with a written records of all ideas
What does the CAP add to the EAS
CAP adds the ability to receive national EAS alerts from the Internet
Why does a cable operator need a franchise agreement to provide service to a community?
Cable operators must have a franchise agreement to share the public right of way within a community and access and connect customer premises
What are some equal opportunity employment practices prescribed by the federal communication commission for cable operators?
Cable operators must widely distributed information about job openings provide listings of job openings to any requesting job, placement, organization and hold and document outreach programs, such as job, fairs, internships, and mentoring
Identify a material that has a negative temperature coefficient and describe how temperature change will affect the material
Carbon has a negative temperature coefficient the resistance of carbon will increase with a temperature. Decrease and decrease what the temperature increase.
Which cables use the TERA interface designed to significantly manage each individual twisted and shielded pair
Cat7 and cat7A cables use the TERA interface design to manage each individually twisted and shielded pairs significantly
What three steps should be followed when checking for ingress at the ground block
Check all connectors and coax cable for damage, properly wrench, tighten all connectors, repair or replace any damage or defective ground block, F connector or cable
Which constellation display looks like a series of tiny donuts and is usually caused by an ingress carrier
Coherent, interference
How is customer satisfaction related to communication, soft skills?
Communication, soft skills could influence the opinion of the customers form about your company
Explain the relationship between conductance and resistance, and show it in equation form
Conductance is mathematically the reciprocal of resistance, and can be shown in equation form as conductance = 1/resistance
Define conductance
Conductance is the term used to describe how well a material conducts current flow.
What essential function do conductors in an electrical circuit provide
Conductors provide a path for current flow from the power source to the load and from the load back to the power source
Identify a material that has a positive temperature coefficient and describe how temperature change will affect the material
Copper has a positive temperature coefficient the resistance of copper will increase with a temperature, increase and decrease with a temperature decrease
Identify the conducting metal used Extensively in electrical circuits and give its relative conductance rating
Copper is used extensively as the conductor in electrical circuits and has a relative conductance rating of one
OHMS law states that———— is directly proportional to———— and inversely proportional to————-
Current, voltage, resistance
What are two issues that can arise with poor voice quality
Customers can get irritated, frustrated, or distracted you might convey sense of helplessness or lack of knowledge, convey anger, annoyance, or impatience
What is approximately equivalent to a 1 mV decrease in a signal level of 40 dBmV
Decrease in the level of 0.1 db
What kind of reasoning is described as moving from a general statement you know to be true and applying it to a new situation
Deductive reasoning, also known as top down logic can be described as applying an acceptance statement to a new situation
When troubleshooting, a hard skill, the process, rules, and methods are relatively fixed and can be full of the same way every time. What does troubleshooting with soft skills entail
Depending on the type of problem, the customer and numerous other factors using the creative part of problem-solving
Describe, at least one guideline for becoming a better listener
Develop greater interest in the discussion, focus on the message, not behavior. Give the customer time to speak, take a central notes, make a conscious effort to listen. Beware of prejudices.
How should you present the need to dig to locate an underground conduit climb on a roof or get into an attic at the customers premise so that you communicate your respect for your customer and the property
Discuss your intentions with the customer and describe very clearly what you intend to do so the customer fully understands we were giving his or her permission
In the forward direction, optical splitters are passive branching devices that
Divide an optical signal across several output fibers
How do you convert a fraction to a percent?
Dividing the numerator by the denominator, and multiplying by 100
List the five basic rules that magnetic flux lines follow
Do you have direction or polarity, they always form complete loops, they cannot cross one another, they tend to form the smallest possible loops, they can pass through magnetic and non-magnetic materials
What type of wire configuration connects low voltage power supplies an alarm stations
Do you wire solid wire is used to connect low voltage power supplies and alarm stations
Which OHMS law equation solve for voltage
E=IR
What is the OHMS of law equation for voltage
E=IR.
Define electromotive force (EMF)
EMF is the electrical force that motivates electrons to move in a wire
To what basic principle does each axiom adhere
Each axiom adheres to the basic principle that whatever is done must be done to both sides of the equation.
Digital artifacts can be caused by impulse noise. What is impulse noise?
Electromagnetic signal interference, produced by powerline, transients, motor, arcing, household appliances, or electrical systems, without shield wiring
Electrons in orbit nearest the nuclear us contain———-energy than those in more distant orbits.
Electrons in orbit nearest the Nicolas contain less energy than those in more distant orbits
Which of the following best describes a conductor
Elements that have a small number of electrons in the Valence shell
What did the FCC allow broadband cable operators to do after amending some rules in October 2012 to help operators cut down on service theft
Encryption of the limited, basic tier
The————-lost by electrons moving through a resistance can be measured as a difference of potential across the resistance
Energy
What are the three basic parts of every electrical circuit?
Every electrical circuit when viewed in its basic form, can't be divided into a power source, a load and connecting conductors
Which of the following best describes current
Excessive flow for a specific conductor size can cause the conductor to become too hot in melt or burn the conductors insulating cover
Why is explaining what needs to be done to fix a problem considered a soft skill
Explaining how to fix the problem is a soft skill because it uses a creative process and can depend on many different factors
Which technique can be useful in helping others understand your emotional state, and in providing them with direction around how to help you restore balance
Feel, felt, found technique
Why should you avoid pointing your finger when addressing a customer?
Finger-pointing should be avoided in a conversation because they can send an unspoken message that creates a defensive attitude in the other person
Name the five types of intent is used for signal leakage detection
Flexible, rubber, model pole, Nearfield, probe, multi element, directional, and fixed an adjustable, half wave dipole
Which of the following is one of the five basic rules that flux lines follow?
Flux lines always curve around through the body of the magnet to form complete loops
Which of the following is a good guideline for becoming a better listener
Focus on the Contant of what the customer is saying, and not their behavior
How does a receiver know a digital modulation carriers bit error rate?
Forward air correction data is added to the original data stream during modulation so that the receiver can detect and repair bit errors
Which amplifier is designed for use in applications, were the hire channels lose too much signal in the customer only subscribes to video service
Forward path (downstream) equalizing, amplifier
What best describes the type of electron flow called random drift
Free electrons traveling randomly from one atom to another in an insulator
Which of the following protects a circuit from excessive current flow
Fuse
Which type of splicing is used were the connection between the strands will become permanent
Fusion splicing
Which of the following automatically captures the location of the leakage data right down to the street address
GPS assisted leakage measurement instruments
How many valence electrons are there in a good conductor?
Good conductor has only one or two valence electrons
When analyzing the adaptive equalizer function, ideally all the bars after the incident signal, should do what?
Gradually taper off in amplitude as their distance from the incident signal increases
A customer reports that all the TVs are tiling on the digital channels. Where do you begin to isolate the problem?
Ground block
It is essential to pay attention to warning signs of stress, overload, poor attitude as one of the behaviors that may indicate that you are overstressed. What are the symptoms of poor attitude behavior?
Hey significant change an attitude with a noticeable movement toward negative, hostile, cynical, or paranoid. Thoughts.
What aspect of an electric circuit does a schematic diagram show?
Hey, schematic diagram shows the electrical connections of the components or devices in a circuit
What is the letter and symbol designation for current, respectively?
I and A
What is the first step when applying the sixth step process
Identifying the problem by talking to the customer in non-technical terms is the first step in the process
What type of unspoken communication is conveyed when a customer lowers their eyebrows?
If a customer Lourdes, their eyebrows, when you're speaking, it could be a sign of displeasure
What does the left hand rule for electromagnetism in a wire state?
If you wrap your fingers around your left hand around the wire with your thumb pointing in the direction of the current flow, your fingers will be wrapped in the direction of the magnetic field
What are some common causes of egress?
Improperly installed connectors, corroded connectors, loose connectors, cracks in the coax cable, animal, chewed, cable, poorly shielded, coax, cable, bad or loose, terminators, damaged or loose, amplifier housing covers, broken top ports
What are the benefit of monitoring signal leakage of both low and high frequencies?
Improvements in the cable network, performance, a better understanding of areas of plant, weakness, and improved customer satisfaction
Impulse noise can cause digital artifacts. What is impulse noise?
Impulse noise is unwanted, electromagnetic, signal interference, produced by powerline, transients, motor, arcing, household appliances, or electrical systems without shielded wire
What two significant incidences illustrates the impact of signal leakage at aeronautical frequencies
In 1976 signal leakage at aeronautical frequencies, disrupted a communications receiver on a plane flying over Harrisburg, Pennsylvania in 1980 signal leakage at aeronautical frequencies from a cable network in Flint Michigan interfered several times with communications between planes in the aircraft control tower
Describe the complete path for electrons moving in an electrical circuit
In an electrical circuit, electrons move from the negative terminal of the power source through the load and back to the positive terminal of the source
What is the process for checking for ingress at a drop splitter at the customer premises
Inspect the splitter and confirm that all of the splitters F connectors are properly wrench tight
Elements without the production or movement of free electrons are considered?
Insulators
Why is it important to develop and he was a clear professional tone of voice
Is there any clear professional tone of voice helps at the mood for engaging with a customer. It also contributes to the customers image of you in the company represent.
Which step in the process is running a trace using an OTDR during the sixth step troubleshooting process
Isolating the elements
When troubleshooting a drop splitter with defective port connections, which of the following is true about a bad connection at the splitters input port
It affects all TV sets
Which of the following is a feature of the SLM
It can be used in sweep mode to identify instances of ingress
Which of the following is true, and too much amplification exists
It can cause digital artifacts
What can result from active signal amplification?
It can lead to increased insertion loss
Which of the following is true about a permanent magnet loudspeaker?
It has a cone that moves back-and-forth in relation to the varying current of the original sound
Why is series 59 coax cable no longer used
It has poor signal loss characteristics
What was the intent of the pole attachment order that the FCC issued in 2011
It intended to minimize the time and expense required for competitors to deploy broadband services
Which of the following is true of fiber, optic pigtail splicing
It is faster and more reliable than installing connectors in the field
Which of the following best describes total resistance in a circuit
It is the sum of the individual resistance is in the circuit
Loose tube fiber optic cable is used for what purpose
It is used as the main cable between the head end and node
When is the universal service order Code wiring standard used
It is used when a four pair cable is used to carry analog telephone lines
Why would you let the customer completely expressed their concerns as you work with them
It might appear you are jumping to conclusions if you finish sentences for the customer
What is the purpose of the extra foil and braid covering unshielded twisted pair wiring?
It protects the transmission line from electromagnetic interference, leaking into or out of the cable
How was the bel divided to become a workable unit of measurement?
It was divided into 10 equal units called the DB
What happens when the cross sectional area of a conductor doubles
Its resistance decreases to half its original value
Why do we use symbols in diagram to represent electrical components and circuitry
Leave symbols in diagrams to save time and space in representing electrical components in circuitry
When using the OTDR to troubleshoot, fiber optic cable, what does locating a reflective event mean?
Light intersects with material, causing it to Bend differently from traveling within the fiber
What is the usual size comparison of load resistance to circuit wire resistance in any specific circuit?
Load resistance in a circuit is usually much larger than the wire resistant in the circuit
On signal leakage occurs in the 698-806MHZ frequency spectrum who should the cellular carrier contact
Local cable system personal
Which of the following best describes load resistance
Low resistance is the total resistance when the source and wire resistances are very small
What is the modulation error ratio?
MER is a measurement of the average performance of the system needed to accurately reproduce the changes in phase and amplitude associated with the RF carriers
Which of the following is true about magnetism?
Magnetism was discovered when the Greeks noticed that certain stones attract iron
By taking control of the expectations you have you are?
More likely to improve your motivation, and be a better problem solver
What are the two options that an OT a broadcast TV station has free carriage on a broadband cable network
Must carry or retransmission consent
Why should you take the time to take notes and accurately record data at each job location
Notes and record it data or tools that can help you accurately remember events at a site they can help you determine a plan of action or evaluate the decisions you made
How is 0HMS law stated
OHMS law is stated the current is directly proportional to voltage and inversely proportional to resistance
How many OHMS is the amount of resistance that allows one amp of current to flow when 1 volt of electromotive force is applied to a circuit
One
Four 10 OHM resistors are in the series with a 100 V source calculate the voltage drop across one of the resistors
One of the 410 OHM resistors will drop to 5 V of the 100 V applied to the circuit 100V/4 = 25 v
When troubleshooting a drop splitter with wrong cable connections in quickly, connecting the input cable to a splitters output, port, and the TV cable to the splitters input port what usually results
Only one TV set incorrectly connected to the splitter input port will have a good picture. Well all the TV sets connected to the other outports will have black pictures.
Why do only the outer electrons leave their orbit shells?
Only outer electrons leave their orbit shells, because electrons furthest from the nuclear us are more easily freed from their orbits due to a weaker electrostatic force
Which current condition is one in which no current is allowed to flow
Open circuit
What are the primary reasons the optical fibers have wave length specific attenuation?
Optical fibers of a wave, length, specific continuation due primarily to material absorption, and Rayleigh scattering
What are optical splitters?
Optical splitters are passive branching devices that divide an optical signal across a number of output ports in the forward direction, and combine multiple signals onto a common optical fiber in the return direction.
Calculate the power ratio and voltage ratio over 2 bels when point A values are R=75 ohms, P=15w
P=15w and E = 3.35v
Which equation is used to determine the maximum current or a power rating a resistor can handle
P=I2R
Why are communication, soft skills in customer satisfaction are linked?
Part of a troubleshooters job is to influence the customers opinion about your company favorably
What type of cord connects a laser transmitter to a trunk fiber?
Patch cord installed on the equipment, rat connects a laser transmitter to a trunk fiber
Why is it standard industry practice to use pigtails, placing us at the preferred termination single mode fiber method?
Pigtails placing is the preferred method, because the splicing of the bear fiber end of the pigtail into an optical fiber, allows the technician to leave the factory built termination and available for connecting to patch panels or terminal equipment. It is also more cost-effective.
What information is provided from a ping command
Ping is used to measure the round-trip time for a ping packet to travel over the network form the cable modem to the (CMTS), or other server, and back.
What does the term potential difference mean?
Potential difference is the algebraic difference between the electrical individual potential's of two points
The rate at which work is done in a circuit is————-
Power
Which of the following ads resistance in a circuit
Power source, load, connecting wire, resistors
Which of the following best describes stereotyped thinking
Presuming that all members of a group of certain characteristics
Why is it essential for a technician to understand which channels are being measured and not being measured when automated signal measurements are being performed?
Problems can be present and not detected on channels not picked up by automatic signal measurements. Thus being overlooked by the technician.
What information should a cable operator place in there public file
Proof of performance, documents, signal, leakage, logs, EAS, test records, request for local, origination political advertising and records, document in compliance with commercial matters on children's programs
Which of the following best describes a power source in a circuit
Provides a difference of potential
Name of the two types of electron current flow
Random drift and directed. Flow are the two types of electron current flow.
What effect does splitting an optical signal have
Reduce of the power of the signal to each output port
What coincided with satellite program distribution which enables the delivery of cable specific networks, and create a demand for cable TV services in metropolitan areas
Relaxation of tight regulations due to local broadcast or concerns over competition from the cable operators, importing, distant TV stations from other markets
What is the best way to ensure your facial expressions to not interfere with the message you were trying to convey to your customer
Relaxing your facial muscles as your truthfully address the customer is the best way to make sure your own facial expressions do not counteract your words
What should be done to correct signal leakage from splitter with a defective cover plate
Remove and replace the splitter
How can an installer control the resistance of the drop cable being installed at a customers premise?
Replace series 59 with series 6 cable because the series 6 Cable Center conductor is larger in diameter with low resistance than series 59 cable
Resistance is————— to the length of a conductor
Resistance is directly proportional to the length of a conductor
Define resistance
Resistance is the opposition in material or device offers to the flow of current
What is the definition of Siemen and what is it symbol
SIEMEN is the unit of conductance. The symbol is an omega sign or upside down ohm
What do scientists believe causes magnetism?
Scientists believe that magnetism results from the spinning action of each electron on its own axis and orbiting around its own nucleus.
List four causes of signal leakage
Scraped, cut, staple or chewed cable, wrong type or size, loose, corroded, or poorly installed connectors passive devices with no seals or defective RFI gaskets and loose amplifier housing bolts are all causes of signal leakage
What would be a positive traits associated with being a good troubleshooter?
Several positive traits are associated with being a good troubleshooter among them are being helpful, loyal, analytical, persistent, and confident
List the capacity for each of the first for orbital shells of an atom
Shell 1=2 electrons, shell 2= 8 electrons, shell 3= 18 electrons, and shell 4 is 32 electrons
What kinds of problems can signal leakage cause?
Signal leakage can cause interference with aircraft navigation and voice communications, and with cellular telephone. Ingress can disrupt all triple play services: TV reception, Internet services, and telephone.
One of the major provisions of the code of federal regulations title for seven part 76 concerns signal leakage limits. What are the limits for frequencies less than an including 54MHZ
Signal leakage limits for frequency is less than and including 54MH is the need to be 15M at 30 m
Which of the following medals has the greatest conductance
Silver
List, gold, silver, and copper in the order of the best connectivity
Silver, copper, gold
Some requirements are basic to———-circuits, and one requirement applies only to——-circuits
Some requirements are basic to all circuits, and one requirement applies only to series circuits
What does current flow encounter with an a power source when traveling from the positive terminal to the negative terminal?
Source resistance
Describe where the source resistance would be electrically located in a circuit
Source resistance would be in a very small resistance between the positive and negative terminals inside the source
Which of the following wiring connect speaker to an audio source
Standard to wire
What would be considered a neutral position for standing so your body language does not completely different message from what you were saying
Standing with her like slightly apart, and with your feet in the direction of the other person is considered a neutral open position
During a conversation with a customer, which of the following can be interpreted as a neutral open position
Standing with like slightly apart in feet in the other persons direction
What is the justification for state issued franchises in place of local franchises?
State issued franchises are typically much easier to renew and manage, because there is one main authority
Which step in the sixth step process involves determining the cause of the problem and formulating a way to repair the fiber
Step that involves determining the cause of the problem and formulating a way to repair. The fiber is step number four, diagnose the symptoms.
What kind of obstacle to clear thinking, is characterized by thinking about the entire group of people based on personal beliefs about our interactions with one person
Stereotypical, thinking, presume that all group members have specific characteristics based on interactions with one group member
What is the purpose of the strengthening member in a loose tube cable
Strengthening member in a loose tooth, cable keeps the fiber from breaking or deforming when it is being pulled
How are individual or specific resistances and voltages of a circuit identified in an equation?
Subscripts are used in an equation to identify specific an individual components or quantities
What are some techniques for managing stress?
Tactics for avoiding and coping with stress overload include: focusing on restoring a positive sense of self; letting go of those things that make you feel bad or overwhelmed by writing them down; dividing tasks into small, bite-size pieces; mentally celebrating each task completion; practicing positive self-talk; noticing negative thoughts; and teaching others how to treat you. Progressive relaxation, using deep breathing and a positive attitude, are also helpful in managing stress. Visualization, meditation, taking a break, and exercising help to de-stress the mind and body and to restore emotional balance.
Which of the customers drop network segments are typically checked when isolating a fault at the customers home
Tap, ground block, and drop cable
When is it proper to use technical jargon to explain an issue to a customer
Technical language in nonstandard English should never be used to explain it issued to a customer. If you are not sure if a customer understands her! Pause frequently to ask if he or she has any questions
Which of the following best describes 1/10 bel or 1 DB
The 10th root of the one bel ratio
Why did the FCC decide that cable operators should be regulated at the federal level?
The FCC reason that cable operators often carried programming that cross state lines, and hence should be regulated at the federal level
At a minimum what information is necessary to provision, the cable modem analyzers modem in a net work
The Mac address of the instruments modem
How do the magnetic field between two closely spaced parallel wires that are conducting current interact with each other if the current flow in both wires is in the same direction?
The Magnetic Fields of too closely spaced, parallel wires that are conducting current in the same direction will add together because the flex lines will go in the same direction forming loops around the wires. The flex lines will attract one another, causing the wires to draw together.
Which wiring standard is used in all modern ethernet, data cables, jacks, and connectors
The TI 80/EIA 568 - B standard
Which test equipment automatically identify specific wiring problems on a four pair. UTP - STP patch cord and Station wiring.
The UTEP - STP test set
What information can be obtained from the adaptive equalizer taps display in the digital signal analyzer
The adaptive equalizer taps can be used to determine the presence in estimate. The location of reflections caused by bad connectors, or damaged coax cable.
The amount and direction of rotation of the needle pointer in a DARSONVAL meter movement are————— to the amount and direction of the applied current
The amount and direction of rotation of the needle pointer in a DARSONVAL meter movement are proportional to the amount and direction of the applied current
What is the basic measurement unit of electron current?
The ampere is the basic measurement unit for electron current
What is the value of substituting the cable modem analyzer for a cable modem?
The analyzer can help determine whether a modem is defective, or if the problem is with the computer without going through the process of provisioning another modem
What prevents the electrons that orbit an atoms nucleus at high speeds from breaking away from the nucleolus do to centrifugal force
The attraction between the positive nucleus in the negative electron
Do you have an example of a familiar and commonly used power source?
The battery is a familiar and commonly used power source
What is the origin definition of the bel?
The bel, named in honor of Alexander Graham Bell, originated from discovering that when voice signals traveled through 10 miles of standard telephone wire, the electrical power of the original signal was always reduced to one-tenth of its original power. This bel unit, representing a 10-to-l input-to-output power ratio, is a standard of measurement.
What is the broadband signal reference level for the DB measurement system?
The broadband signal reference level for the DB measurement system is one mV across 75 OHMS of impedance or 0 db
The cable communications policy act of 1984 mandates that cable operators hold outreach programs, such as job, fairs, internships, mentoring, and interaction with schools and community groups. What other employment practices mess this act mandate
The cable operator must make their EEO procedures available for public inspection on their website
When taking BER readings, the PRE, and POST FEC BER are important to know. The harder the FEC is working.
The closer the system is to failure
To determine actual insertion loss on a two way splitter input level at a particular frequency in the output. Port levels at the same frequency are measured. What is the actual insertion loss of the output port
The difference between the splitters input level in the measured output level of that port
When displayed together on a spectrum analyzer, and adjusted to the same power level, how old the amplitude of a digital carrier appear, when compared to the amplitude of an analog video carrier
The digital carrier appears to be at a lower amplitude than the analog video carrier
What process must a digital signal analyzer performed to analyze the digital signal
The digital signal analyzer must first decode the digital content, analyze the modulated digital signal
The————— connections, not———— positions, determine which resistors are wired in series
The electrical connections, not physical positions, determine when the resistors are wired in series
Window amplification occurs in the signal. What is the first step to take if the drop amp indicator light is not on
The first step to take if the drop amp indicator light is not on, is to ensure the amplifier is not plugged into a switch to power outlet that might be off
Which is true about a properly installed bond to ground at the interface between the drop and the customers inside wiring
The ground clamp must be attached to a bare metal pipe, or the corner of the metal electrical panel
Which is true when connecting a device, to the correct AC to DC power supply
The input amp rating is the maximum load. The supply will draw on the 110VAC circuit.
When visually identifying, correct cable, connections for a directional coupler in an attic, with a loop through system, which cable usually comes from the outside wall, which cable usually goes down the wall to the TV, and which cable usually continues through the attic to another section of the house
The input cable usually comes from the outside wall, the top port cable usually goes down the wall, and the output port cable usually continues through the attic to another section of the house
What is the input to output power ratio of a coaxial cable that has 6db of attenuation
The input to output power ratio for a length of coaxial cable that has 6 DB of attenuation is 3.98:1
Explain the law of attraction and repulsion between two magnets
The law of attraction and repulsion between two magnets states that like magnet poles, repel each other well, unlike magnetic poles attract each other
Which of the following best describes the load in an electrical circuit?
The load is part of the electrical circuit that uses the electrical energy provided by the power source to carry out some desired function
The———-is the part of the circuit that uses electrical energy to carry out some desired function
The load is the device or part of the server that uses electrical energy to carry out some desired function
Describe the pattern arrangement of the magnetic domains in non-magnetized in magnetized materials
The magnetic domains in a non-magnetized material, arrange in a random pattern which causes the effects to cancel, resulting in no magnetic field those in a magnetized material a line in the same direction which causes their magnetic fields to add making the material magnetized
Does the magnetic field around the wire that is conducting current become stronger or weaker as the distance from the wire increases? why?
The magnetic field around a current, carrying conductor, becomes weaker as the distance from the conductor increases because the flux lines become further apart
What happens in a magnetic material were some of the magnetic domains are pointing in the same direction
The magnetic field is weaker
What determines the strength of an electromagnetic field, and the number of lines of flux in that field?
The magnitude of the magnum motive force determines the strength of an electromagnetic field at the number of lines of flux in that field
What is the most important factor that determines the resistance of a conductor?
The material itself is what determines the resistance of a conductor
What causes electrons to be knocked loose and travel randomly from one atom to another
The movement of atoms in materials that are conductors and the agitation as they collide cause electrons to be knocked loose and travel randomly from one atom to another
Which of the following best describes the relationship between an amp and a coulomb
The number of amps is equivalent to the number of coulombs passing a given point during one second
What is the major factor that determines the category of a particular element?
The number of electrons in the valance shell of determines the element category
What is required to have a balanced atom?
The number of electrons must equal the number of protons to have a balanced atom
The————- is the instrument used to measure resistance
The ohmmeter is the instrument used to measure resistance
What general operating characteristics differentiate a signal level meter from a leakage field strength meter?
The operating characteristics that differentiate a signal level meter from a leakage field strength, meter, or the sensitivity to small signals and the ability to display the received signal
What types of information should an optical performance document include
The optical performance document should include the fiber assignment, equipment, model number, and power levels at the transmitter and receiver locations
If there is no signal on the input cable to the second directional coupler in the loop through drop system, what is likely the cause
The output cable of the first directional, coupler output port was disconnected
Why is the overall magnetic field created by forming loops of why are stronger than that created by a street piece of wire both having the same current flow
The overall magnetic field created by forming loops of wire, is stronger than that caused by a straight piece of wire, because the flex lines in a coil of wire are closer together, and that's the majority of the flex lines are concentrated in the center or core of the loops
Why would provisioning a cable modem, analyzer differ from that of a cable modem
The provisioning of a cable modem analyzer may differ from a cable modem. If there are special restrictions, permissions, or privileges assigned during provisioning to accommodate the cable modem analyzer is used throughout the network.
What happens to the resistance of a conductor when it's cross-sectional area is doubled
The resistance of a conductor is cut and a half minutes cross-sectional area is doubled
What happens to the resistance of a conductor, when its length is doubled?
The resistance of a conductor is doubled when its length is doubled
Which is the best amp to use on the set top box, cable, modem, or MTA cannot consistently and reliably transmit information back to the head and because of a long cable drop
The return path (reverse, or upstream) amplifier
Which of the following is true in a DC series circuit
The same amount of current flows through each component
What happens to a signal when the output of a line extender is 3 dblower than it normally should be
The signal is 3 db lower than normal from that point on
What are the steps in the six steps troubleshooting process?
The steps in the six steps troubleshooting process are identify the problem, analyze the situation, isolate the elements, diagnose the symptoms, resolve, the problem, verify the solution
Name the three characteristics of a series circuit
The three characteristics of a series circuit are 1) that the individual resistances add up to the total circuit resistance, 2) that the same amount of current flows at all points within the circuit, and 3) that the voltages developed by the individual resistances in a series circuit add up to the total voltage applied to the circuit.
What's three different units can be used to represent signal level values
The three different units that can be used to represent the second level values are mV, dbmV, nW
The total resistance of a series circuit is equal to the———— of the————-resistances in the circuit
The total resistance of a series circuit is equal to the sum of the individual resistance is in the circuit
What actually produces electric current?
The transfer of energy from valence electron to valance electron as a result of applied charges is what actually produces electric current
Describe the two characteristics of an insulator
The two characteristics of an insulator are its valence Shell is almost filled and tends to be fairly stable and two it, tries to finish, filling its valance shell by capturing additional free electrons.
Why are semiconductor material is not good conductors nor good insulators
The valance shells are only half filled
What is the maximum electron capacity of a valance shell?
The valence shell can hold a maximum of eight electrons
What is the unit used to indicate the strength or size of the potential difference?
The vault is the unit used to indicate the strength or size of the potential difference
What communication, soft skills are necessary for troubleshooting?
There are no set communication, soft skills that will work in every situation. What works in one situation might not work in another.
What is the relationship between VHF and UHF leakage and ingress
There is a little or no relationship between VHF and UHF leakage in ingress
What is the relationship between VHF and UHF leakage and ingress
There's a little or no relationship and correlation between VHF and UHF, leakage and ingress
Through which resistor is the greatest current flowing in a DC series circuit where R1 = 10 ohms, R2 = 15ohms , R3 = 20 ohms and R4 = 5 ohms
They all have the same amount of current flowing through them
What exemption for POP testing does the FCC allow public networks having less than 1000 customers?
They are exempt from performing POP testing, but if requested by the FCC, they must be able to prove compliance with the minimum technical criteria
What are the cable operators proof of performance testing requirements for networks with less than 1000 customers?
They are exempt from performing proof of performance testing, but if requested by the FCC must be able to prove compliance with a minimum technical criteria
Which of the following statements describes creative problem-solving?
Thinking outside of the box and looking at problems from a fresh perspective
Other than providing compliance with FCC requirements, what are some other benefits of regular signal, leakage, monitoring, and repair
Tighter networks that allow fewer signals to leave the network, and fewer interfering signals into the net work
What equipment Wesley cable operator install in their head and to support the emergency alert system
To provide EAS the cable operator must install controllers, encoders, and decoders in the headend
What is the role of a franchise authority?
To provide the permissions necessary to allow a cable operator to use the public right-of-way within the franchise area, in order to access and connect customer premises.
A customer is having trouble accessing a specific website what performance utility should a technician run to identify the router to router network cops that a data package travels across in route from the modem analyzer to the websites server
Trace route
What is one issue that might be encountered? If test equipment for VHF leakage is used for troubleshooting UHF leakage.
Traditional VHF, leakage, test equipment cannot detect a noise like QAM signal at typical field strikes
Describe the two methods for creating a magnet
Two methods for creating a magnet include: (1) stroking a magnetic metal with a magnet; and (2) wrapping wire around a magnetic metal and passing electric current through the wire.
Describe two methods for demagnetizing a magnet
Two methods for demagnetizing a magnet are vibration and heat.
Which of the following is best, describes a device that cleans up source power, and feeds it to the AC to DC converters
UPS
Explain how a bad connection at one output port, in a two way splitter can cause slight ghosting on a TV set connected to the other output port
Undesired, OT a signal ingress at the bad connection being passed to the other output port, because the splitters port to port, isolation only attenuates the interfering signal
Which of the following describes the process for troubleshooting signals?
Use the digital SLM to check RF at specific power levels
Explain how to determine the direction of the magnetic field in an electromagnet
Use the left hand rule for electromagnetism in a coil to determine the location of an electromagnet North Pole, and as a result, the direction of its magnetic field when you wrap the fingers of your left hand around the coil of wire in the direction of current flow, your thumb will point to the electromagnet north pole. The direction of the magnetic field leaves from the electromagnetic north pole and re-enters at the south pole.
Describe the types of questions used in the five Ws method for notetaking
Using the five Ws note taking method, you might ask questions such as who reported the problem. What's the problem is being reported when did the problem first occur? Where does the problem occurred in the home? Why is the problem occurring?
What unit of measure is used to identify the field, strength of electromagnetic, radiation, signal, leakage,?
V/m
Which of the following is best described as a measurement of the force or pressure that causes electrons to move
Voltage
Define an equation.
We define an equation as a mathematical statement in which two quantities are equal.
Which of the following is a respectful way to treat a customers property
Wearing shoes with oil, resistant, non-marking souls
Which of the following is true when talking about the overall magnetic field?
When created by a street piece of wire, the overall magnetic field is weaker than that created by forming loops of wire
When adjusted to the same power level, why does a digital signal appear to be of Laura amplitude than an adjacent video carrier when displayed on the spectrum analyzer?
When is it the same power level the digital signal appears to be at a lower amplitude in the adjacent video because of the signals average power adjust the digital signal. The video signal. Is that using the peak envelope power of the video career.
What is another way to create an electromagnet, besides stroking a piece of magnetic metal, such as a piece of iron with another magnet?
Wrap a coil of insulated wire around an iron bar and pass an electric current through the wire
What cross-sectional dimension standard is used for wire manufactured in the United States
Yet he American wire gauge, AWG is the cross-section dimension standard used for wire manufactured in the United States
The letter, S in the acronym RESPECT stands for sincere, and means what?
You are empathetic and want to help the customer achieve a better user experience
The attribute of being "active" as a critical thinker means
You observe and take notes relative to the issue
And the FCC requires the use of a———— antenna for the measurement of signal leakage for logging and the CLI
dipole