Delmar assignment 2-units 6-9

An increase in_____results in an increase of load in a parallel circuit. A. Wattage B. Voltage C. Current D. Resistance

Current

In a parallel circuit, load is define such that, an increase in _______ flow results in an increase of load.

Current

In a parallel circuit, the current through each branch is inversely proportional to the resistance of the branch. Because of this, parallel circuits are sometimes called? A. Voltage multipliers B. Current dividers C. Current multipliers D. Voltage divider's

Current dividers

R1=30ohm, R2=600 ohm, R3=1800 ohm And 240 V is applied between A and B. What is the current flowing through R2 ?

225 amp

A parallel circuit is composed of two 60 ohm resistors. What is the total resistance? A.120 ohm B. 3600 ohm C. 1 ohm D. 30 ohm

30 ohms

In a series circuit, the resistors have a voltage drop across them that are proportional to the resistance values. If connections are made to various points in the circuit, different voltages can be obtained. This circuit is called a voltage____ A. Doubler B. Multiplier C. Divider D. Scalar

Divider

An electrical connection made by connecting to a rod or a pipe physically driven into the ground is called a____ground. A. Earth B. Chassis C. Circuit D. Supply

Earth

Two devices that are designed to open and disconnect a circuit in the event of excessive current are a circuit breaker and a? A. Fuse B. Wire C. Potentiometer D. Power supply

Fuse

Powered circuit networks with more than one source can be simplified by a process that involves solving the circuit using only one source at a time. This simplification is done in accordance with? A. The superposition theorem B. Kerkhoff's law C. Thevenins theorem D. Norton's theorem

The superposition theorem

Powered circuit networks can be simplified down to an equivalent SINGLE VOLTAGE source and a SINGLE SERIES resistor. This conversion is done in accordance with? A. Thevenins theorem B. The super position theorem C. Norton's theorem D. Kirchoff's law

Thevenins theorem

R1=50 ohm, R2=200 ohm, R3=600 ohm and 600V is applied between A and B. What is the current flowing through R3 ?

.75 amp

A 62K ohm and a 82K ohm resistor are connected in parallel. They have a supply voltage of 480 V. What is the power of the 82K ohm resistor? A. 0.0 059 W B. 3.72 W C. 0.0 077 W D. 2.81 W

2.81 W

A three branch parallel circuit has a total resistance of 385.83 ohm. Two of the resistors are 680 ohm and 1500 ohm. What is the value of the third resistor? A. 467.89 ohm B. 246.16 ohm C. 2200 ohm D. 2180 ohm

2200 ohm

A series circuit has two resistors. The resistors dissipate 10 W and 15 W. What is the total power dissipation of the circuit? A. 15 W B. 10 W C. 25W D. 5W

25 W

R1=80 ohm, R2=100 ohm, R3=400 ohm and 480 V is applied between A and B. What is the total current flow?

3 amps

A parallel circuit composed of a 120 ohm and a 220 ohm resistor has a supply voltage of 240 V. What is a total circuit current? A. 0.9 1 A B. 3.091 A C. 2 A D. 1.091 A

3.091 A

A two-branch parallel circuit has 2A of current in one branch in 3A in the other branch. Which branch is considered to have the larger load? A. 3A B. 2A

3A

A series circuit has a total resistance of 240 ohms and a current flow of 4A. What is applied voltage? A. 960 V B. 60 V C. 0.0 167 V D. 244 V

960 V

A method for finding total resistance of parallel resistors is? A. Resistors of equal value B. Product over SUM C. Reciprocal formula D. All of the listed answers

All of the listed answers

A series circuit has a total resistance of 180 ohms and a applied voltage of 120 V what is the current flow? A. 300 A B. 1.5 A C. 0.667 A D. 60 A

0.667 A

A parallel circuit composed of a 150 ohm and a 270 ohm resistor has a supply voltage of 120 volts. What is the current in the 150 ohm resistor? A. 1 A B. 0.8 A C. 0.29 A D. 0.44A

0.8 A

A combination circuit is a circuit that contains? A. Both series and parallel elements B. Only parallel elements C. Both voltage and current sources D. Only series elements

Both series and parallel elements

In a parallel circuit, several resistors are connected to a single power source. Each separate resistor circuit is call a_______?

Circuit branch

Devices that will open and disconnect the rest of the circuit from the power source in the event of excessive current Are_______and_______.

Circuit breakers and fuses

A series circuit is a circuit that has only one path for____flow. A. Resistance B. Voltage C. Power D. Current

Current

In a series circuit, there are at least two paths for current to flow.

False

The polarity of the voltage across a resistor depends on the direction of the current flow through the resistor. The end of the resistor into which current enters is assigned the polarity of? A. Negative B. Positive

Negative

Finding the values of voltage, current, resistance, and power in a series circuit to be found by using____law. A. Amperes B. Ohms C. Volts D. Coulombs

Ohms law

During the solving of a combination circuit, it is necessary to simplify a parallel block to? A. Two parallel resistors B. One parallel resistor C. One series resistor D. Two series resistors

One series resistor

A simple parallel circuit is a circuit that contains? A. Only series elements B. Only parallel elements C. Both series and parallel elements D. Both voltage and current sources

Only parallel elements

Circuits that have more than one path for current flow are___circuits. A. Parallel B. Series C. Complex D. Combination

Parallel

Solving combination circuits includes a step in which you____the circuit to a simpler circuit. A. Expand B. Enlarge C. Reduce D. Complicate

Reduce

In a parallel circuit, the total current flow in the circuit is equal to the ______of the current through all the branches.

Sum

In a parallel circuit, the total current flow is equal to the_____of the current through all the branches. A. Difference B. SUM C. Quotient D. Average

Sum

In a series circuit with two resistors, the total resistance is equal to the______of the two resistors. A. Quotient B. Sum C. Difference D. Two Series resistors

Sum

If a series circuit has resistor values of 27 ohms, 56 ohms, and 82 ohms , the total resistance is______?

165 ohms

In a circuit, three wires form a Junction. The currents in two of the wires are 5A and 12A and are flowing toward the junction. The current in the other wire is? A .17 a B. 7 A or 17 a C. 60 a D. 7a

17 A

A 270 ohm, a 150 ohm, and a 220 ohm resistor are connected in parallel. The applied voltage is 480V. What is the current total of the 270W and the 150W resistors? A. 3.2 A B. 2.18 A C. 4.98 A D. 1.78 A

4.98 A

R1=240 ohm, R2=300 ohm, R3=1200 ohm. What is the resistance between a and B?

480 ohm

A parallel circuit composed of a 10 ohm and a 22 ohm resistor. It has a supply voltage of 60 volts. What is the current in the 10 ohm resistor? A. 6A B. 5A C. 2.73 A D. 1.88 A

6 A

A two-resistor series circuit has an applied voltage of 100 V. The voltage across one of the resistors is 40 V. The voltage across the other resistor is? A. 0.4 V B. 2.5 V C. 60V D. 140V

60 V

In a circuit, three wires form a Junction. The currents in two of the wires are 5A and 12 a. The current in the other wire is? A. 7A or 17 a B. 17 a C. 7A D. 60 a

7A or 17 A

A three branch parallel circuit has resistances of 20 K ohm, 68K ohm and 33 K ohm connected to a 300 V source. What is the total power of the circuit? A. 8.14 W B. 6.82 W C. 4.09 W D. 2.73 W

8.14 W

A three branch parallel circuit has resistors of 27 ohm, 56 ohm, and 15 ohm . What is the total resistance? A. 98 ohm B. 9.64 ohm C. 18.22 ohm D. 8.23 ohm

8.23 ohm

The two resistors in a series circuit have voltages of 25 V and 60 V. The Applied voltage is? A. 25 V B. 35 V C. 85 V D. 16 V

85 V

The amount of___across a resistor is proportional to its resistance. A. Voltage drop B. Current drop C. Voltage increase D. Current increase

Voltage drop

Kirchhoffs two laws are concerned with ? A. Voltages around a closed loop and currents entering and leaving a point B. Currents around an open loop and voltages entering and leaving a point C. Voltages around an open loop and currents entering and leaving a point D. Currents around a closed loop and voltages entering and leaving a point

Voltages around a closed loop and currents entering and leaving a point

R1=15 ohm, R2=300 ohm, R3=900 ohm And 240 V is applied between A and B. What is the current flowing through R1 ?

1. Amp

An example of the reciprocal formula to find the total resistance of a parallel circuit is?

1/Rt= 1/Rt1+1/Rt2+1/Rt3+1/Rn

A two-branch parallel circuit has a 30 ohm and a 15 ohm resistor. What is the total resistance? A. 15 ohm B. 2 ohm C. 45 ohm D. 10 ohm

10 Ohm

A three-resistor circuit has a total power of 25 W. Two of the resistors dissipate 10 W and 5 W respectively. How much power does a third resistor dissipate? A. 2 W B. 25 W C. 15 W D. 10 W

10 W

And electrical connection made by connecting to the frame of electrical equipment such as an automobile, it's called a____ground. A. Chassis B. Earth C. Circuit D. Supply

Chassis

In a parallel circuit, the total resistance is always___resistance of the lowest value resistor. A. Equal to the largest B. Equal to the C. Larger than the D. Less than the

Less than the

In a parallel circuit, an increase in current flow in a branch results in an increase in the___of the branch. A. Opposition B. Resistance C. Load D. Power

Load

A connection of multiple current paths in a circuit is often called a? A. Split B. Node C. Combination D. Circuit

Node

In a series circuit, the current is the same at any point in the circuit.

True

In a parallel circuit, the voltage drop across any branch is the same as the_______voltage.

Applied

A point which is a common connection for other parts of a circuit is called a___point. A. Supply ground B. Earth ground C. Chassis ground D. Circuit ground

Chassis ground

All parallel circuits are considered______dividers

Current

In a circuit, three wires form the junction. The current in one of the wires is? A. The sum of the currents and the other two wires B. The difference between the currents of the other two wires C. Either a or B above D. None of the above

Either a or B above

Which of the following formulas from the general voltage divider formula is used to determine the voltage drop across any series component?

Ex={Et/Rt} Rx

In a series circuit, all voltage drops across all the resistors are multiplied to determine the voltage applied to the circuit.

False

The algebraic's Sum of the currents entering and leaving a point must equal zero, is which law? A. Nortons current law B. Kirchoffs current law C. Kirchoffs voltage law D. Thevenins voltage law

Kirchoffs current law

The Algebraic SUM of the voltage sources and the voltage drops in a closed circuit must equal zero, is which law? A. thevenins voltage law B. kirchoffs voltage law C. Nortons current law D. Kirchoffs current law

Kirchoffs voltage law

Powered circuit networks can be simplified down to a equivalent SINGLE CURRENT source and a SINGLE resistor in PARALLEL with the source . This conversation is done in accordance with? A. Nortons theorem B. Thevenins theorem C. The superposition theorem D. Kirchhoff s law

Norton's theorem

Of the formulas for finding the total resistance of parallel resistors, one formula will work for any number of resistors regardless of their value. This is the? A. Reciprocal formula B. Product over sum formula C. Resistors of equal value formula D. None of the above

Reciprocal formula

Once elements of a combination circuit are reduce, you can_____the circuit as a simple circuit to solve the values in the circuit. A. Copy B. Redraw C. Expand D. enlarge

Redraw

The three formulas used to determine resistance in a parallel circuit are called?

Resistors of equal value, product over sum and reciprocal formula

The total power used in a circuit is equal to the____of the power used by all parts. A. Difference B. Quotient C. Sum D. Product

Sum

In a combination circuit, how should one identify the series and parallel elemnts? A. Trace the voltage path B. Calculate total current C. Trace the current path D. Calculate total resistance

Trace the current path