Delmar Unit 2
How many electrons will pass one point in one second?
6.25 x 10^18
One Coulomb per second is equal to?
Amp
In ohms law what does I stand for?
Amps
What is the standard prefix in engineering notation for 1?
Base unit
A grounding conductor helps prevent a shock hazard in the event that an ungrounded, or hot, conductor comes in contact with the?
Case of the appliance
A complete circuit is often referred to as ___ circuit?
Closed
Before current can flow there must be a ___ circuit?
Closed
What law states that the force of electrostatic attraction or repulsion is directly proportional to the product of the two charges and inversely proportional to the square of the distance between them?
Coulomb's Law
What pushes free electrons down a conductor?
Electromotive Force (EMF) - Volt
The theory concerning current flow that is most widely accepted as being correct is the ___ theory?
Electron flow
During normal operation of a typical 120V appliance circuit, current flows through the hot, grounding, and neutral conductors?
False
Approximately how many horsepower is an electrical device listed at 3000 watts?
Four
What is the standard prefix in engineering notation for 1,000,000,000?
Giga
The neutral conductor is also referred to as the ___ conductor?
Grounded
Which prong of a plug should never be cut off or bypassed?
Grounding prong
What is the standard prefix in engineering notation for 1,000?
Kilo
The velocity of AC through a conductor is ___ the speed of light?
Less than
What is the standard prefix in engineering notation for 1,000,000?
Mega
What is the standard prefix in engineering notation for 1/1,000,000?
Milli
What is the standard prefix in engineering notation for 1/1000?
Milli
The electron flow theory states current flows from ___ polarity to ___ polarity?
Negative / Positive
The amount of potential necessary to cause on Coulomb to produce one joule of work is called?
Ohm
The unit of resistance to current flow is called?
Ohm
The statement, "In a DC circuit, the current is directly proportional to the voltage and inversely proportional to the resistance, " is known as ___ law?
Ohm's
In ohms law what does R stand for?
Ohms
The watt is represented by what letter in the power formula?
P
Conventional current flow theory states that the current flows from ___ polarity to ___ polarity?
Positive / Negative
The watt is a measurement of what in an electric circuit?
Rate of work
What causes a wire to become warm when current flows through it?
Resistance
What type of circuit generally occurs when the conductors leading from and back to the power source become connected?
Shorted
What is another term for electromotive force?
Voltage
In ohms law what does E stand for?
Volts
The amount of electrical power being used in a circuit is measure in?
Watts
If a circuit is open, current ___ flow.
Will not
