Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Which of the following statements about a series circuit is true?
a. | It has only one path for current flow. | b. | It can have only one load connected at a
time. | c. | It offers several paths for current flow. | d. | It will keep
conducting even if interrupted. |
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2.
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Which basic element of electricity is also described as “electrical
pressure?”
a. | Current. | c. | Resistance. | b. | Capacitance. | d. | Voltage. |
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3.
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In a(n) ____, the vehicle's frame or body serves as an electrical
conductor.
a. | parallel circuit | c. | series-parallel circuit | b. | one-wire
circuit | d. | series
circuit |
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4.
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Technician A says that an electrical short circuit causes excess current flow.
Technician B says a short causes excess resistance to develop. Who is right?
a. | A only. | c. | Both A and B. | b. | B only. | d. | Neither A nor
B. |
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5.
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To protect an electrical circuit from damage by a “short,” a device
called a(n) ____ is installed.
a. | diode | c. | fuse | b. | capacitor | d. | relay |
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True/False
Indicate whether the
statement is true or false.
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6.
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Printed circuits are most often used in instrument panels of vehicles.
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7.
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“Secondary wire” refers to all vehicle circuits that are not
part of the ignition system.
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8.
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An ammeter is a device for directly measuring the resistance of a
circuit.
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9.
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When electrical current passes through a wire, a magnetic field is
generated.
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10.
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According to Ohm’s Law, current flows from positive to negative.
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Matching
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Match the following terms and identifying phrases. a. | amp | d. | volt | b. | chip | e. | VOM | c. | ohm |
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11.
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Unit of resistance.
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12.
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Multimeter.
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13.
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Unit of current flow.
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14.
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Integrated circuit.
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15.
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Unit of voltage.
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Identify each of the marked items on the diagram below.
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16.
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From power source.
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17.
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To load.
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18.
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Control circuit.
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19.
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Power circuit.
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20.
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Armature.
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Completion
Complete each
statement.
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21.
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______________________________ wire has color-coded insulation for ease in
tracing circuits.
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22.
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For electrical work, only ______________________________ solder should be
used.
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23.
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When a switch is ______________________________, current cannot flow through
it.
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24.
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A(n) ______________________________ is an electronic device that allows current
flow in only one direction.
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25.
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A relay and a(n) ______________________________ perform basically the same task:
controlling a large current with a small current.
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Short Answer
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26.
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Why shouldn't electrical wire smaller in diameter than the original be used
to make a repair?
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27.
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What is the purpose of a jumper wire when making electrical tests?
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28.
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Why is an electrical diagram like a road map?
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29.
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What is the advantage provided by the multimeter?
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30.
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What is Ohm’s law?
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