Delmar Unit 2

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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


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