Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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The ____ is a measurement of the amount of electricity that is flowing through a
circuit.
a. | ampere | c. | volt | b. | ohm | d. | watt |
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2.
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____ 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 | c. | Electromotive
force | b. | Ohm's Law | d. | The electron theory |
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3.
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____ states that current flows from the most positive point in a circuit to the
most negative.
a. | The conventional current flow theory | c. | Electromotive
force | b. | Ohm's Law | d. | The electron theory |
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4.
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In an electrical circuit, the ____ offers resistance to the circuit and limits
the amount of current that can flow.
a. | voltage | c. | neutron | b. | load | d. | proton |
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5.
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A ____ circuit is a circuit with very little or no resistance.
a. | open | c. | short | b. | complete | d. | grounded |
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6.
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A circuit where a path other than the one intended is established to ground is
said to be ____.
a. | open | c. | complete | b. | shorted | d. | grounded |
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7.
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A conductor connected to the case of an appliance to provide a low-resistance
path to ground is called a(n) ____ conductor.
a. | grounded | c. | neutral | b. | grounding | d. | ungrounded |
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8.
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The ____ conductor provides the return path and completes the circuit back to
the power source.
a. | grounding | c. | neutral | b. | grounded | d. | either b or c |
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9.
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Electrical current will flow through the ____ conductor only when a circuit
fault develops.
a. | grounded | c. | neutral | b. | grounding | d. | ungrounded |
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10.
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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 | c. | neutral | b. | grounding | d. | ungrounded |
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11.
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____ push current through a wire but cannot flow through the wire.
a. | Amps | c. | Volts | b. | Ohms | d. | Watts |
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12.
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The letter ____ is used to represent voltage in algebraic formulas.
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13.
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A(n) ____ is the amount of resistance that allows one ampere of current to flow
when the applied voltage is one volt.
a. | coulomb | c. | ohm | b. | joule | d. | watt |
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14.
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____ is a measure of the amount of power being used in a circuit.
a. | Amperage | c. | Voltage | b. | Ohms | d. | Wattage |
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15.
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Electrical energy must be changed or converted into some other form of energy
before there can be ____.
a. | amps | c. | volts | b. | ohms | d. | watts |
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16.
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A ____ is the amount of force required to raise a one-pound weight one
foot.
a. | joule | c. | horsepower | b. | foot-pound | d. | watt |
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17.
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The amount of electrical energy needed to produce one horsepower is ____
watts.
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18.
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A(n) ____ is the amount of work done by one watt for one second.
a. | ampere | c. | ohm | b. | joule | d. | volt |
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19.
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When using Ohm's Law to determine amperage, the formula you would use is
____.
a. | I = R/E | c. | I = E/R | b. | E = I/R | d. | I = R/V |
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20.
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When using Ohm's Law to determine voltage, the formula you would use is
____.
a. | E = I × R | c. | E = V × R | b. | E = V ×
A | d. | E = V × I |
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