Deck 3: Electrical Quatities and Ohms Law

Question 1

A conductor connected to the case of an appliance to provide a low-resistance path to ground is called a(n) ____ conductor.

A) grounded
B) grounding
C) neutral
D) ungrounded

Answer 1

B

Question 2

Electrical current will flow through the ____ conductor only when a circuit fault develops.

A) grounded
B) grounding
C) neutral
D) ungrounded

Answer 2

B

Question 3

____ push current through a wire but cannot flow through the wire.

A) Amps
B) Ohms
C) Volts
D) Watts

Answer 3

C

Question 4

When using Ohm's Law to determine voltage, the formula you would use is ____.

A) E = I * R
B) E = V * A
C) E = V * R
D) E = V * I

Question 5

When using Ohm's Law to determine amperage, the formula you would use is ____.

A) I = R/E
B) E = I/R
C) I = E/R
D) I = R/V

Question 6

In an electrical circuit, the ____ offers resistance to the circuit and limits the amount of current that can flow.

A) voltage
B) load
C) neutron
D) proton

Question 7

A circuit where a path other than the one intended is established to ground is said to be ____.

A) open
B) shorted
C) complete
D) grounded

Question 8

The amount of electrical energy needed to produce one horsepower is ____ watts.

A) 467
B) 674
C) 746
D) 647

Question 9

The ____ conductor is used to help prevent a shock hazard in the event that the hot conductor comes in contact with the case or frame of an appliance.

A) grounded
B) grounding
C) neutral
D) ungrounded

Question 10

A ____ is the amount of force required to raise a one-pound weight one foot.

A) joule
B) foot-pound
C) horsepower
D) watt

Question 11

Electrical energy must be changed or converted into some other form of energy before there can be ____.

A) amps
B) ohms
C) volts
D) watts

Question 12

____ is a measure of the amount of power being used in a circuit.

A) Amperage
B) Ohms
C) Voltage
D) Wattage

Question 13

____ states that current flows from the most positive point in a circuit to the most negative.

A) The conventional current flow theory
B) Ohm's Law
C) Electromotive force
D) The electron theory

Question 14

A(n) ____ is the amount of work done by one watt for one second.

A) ampere
B) joule
C) ohm
D) volt

Question 15

A ____ circuit is a circuit with very little or no resistance.

A) open
B) complete
C) short
D) grounded

Question 16

A(n) ____ is the amount of resistance that allows one ampere of current to flow when the applied voltage is one volt.

A) coulomb
B) joule
C) ohm
D) watt

Question 17

____ states that since electrons are negative particles, current flows from the most negative point in the circuit to the most positive.

A) The conventional current flow theory
B) Ohm's Law
C) Electromotive force
D) The electron theory

Question 18

The ____ conductor provides the return path and completes the circuit back to the power source.

A) grounding
B) grounded
C) neutral
D) either b or c

Question 19

The letter ____ is used to represent voltage in algebraic formulas.

A) F
B) P
C) E
D) L

Question 20

The ____ is a measurement of the amount of electricity that is flowing through a circuit.

A) ampere
B) ohm
C) volt
D) watt

Question 21

____________________ is defined as electromotive force.

Question 22

____________________ law of electrostatic charges 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.

Question 23

A _________________________ is defined as the amount of heat required to raise the temperature of one pound of water one degree Fahrenheit.

Question 24

The formula to use to find power when voltage and current are known is ___________________.

Question 25

A(n) ____________________ is the unit of resistance to current flow.

Question 26

In its simplest form, ____________________ states that it takes one volt to push one amp through one ohm.

Question 27

Before current can flow through a circuit, a _________________________ must exist.

Question 28

All electricians should know that whenever current flows through a resistance, ____________________ is produced.

Question 29

If a circuit has a voltage of 120 V and 20 amps, the resistance of the circuit is ____________________ ohms.

Question 30

Using Ohm's Law, determine the voltage of a circuit with 40 amps and 12 ohms. ____________________