Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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The potential difference between two points in a circuit is called
___________.
a. | current | c. | resistence | b. | voltage | d. | none of the
above |
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2.
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The units of measurement for voltage is the ___________.
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3.
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A known reference point in an electrical circuit is called a
______________.
a. | ground | c. | negative | b. | zero reference | d. | positive |
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4.
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A(n) ______________ is a measurement device used to measure voltage.
a. | ohmmeter | c. | voltmeter | b. | multimeter | d. | ammeter |
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5.
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A multimeter is a multipurpose device that can measure ________________.
a. | voltage and resistance | c. | resistance and current | b. | voltage and
current | d. | voltage, current
and resistance |
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6.
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The amount of voltage that is used by each load depends on the _____________ of
each load.
a. | drop | c. | amps | b. | continuity | d. | resistance |
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7.
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An ammeter is used to measure _____________.
a. | current | c. | voltage | b. | resistance | d. | temperature |
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8.
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Resistance is measured in units of _________.
a. | volts | c. | ohms | b. | watts | d. | amps |
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9.
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If a wire has continuity, it ____________
a. | cannot conduct current | c. | cannot be used in a circuit | b. | will have almost no
resistance | d. | has an
open |
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10.
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A _____________ circuit is one in which there is only one path for current to
travel.
a. | complex | c. | parallel | b. | series | d. | closed |
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11.
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In a(n) ___________ circuit, the voltage available to each branch is equal to
the source voltage.
a. | parallel | c. | short | b. | series | d. | open |
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12.
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Current is measured in units of _________.
a. | amps | c. | ohms | b. | volts | d. | pascals |
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13.
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To measure current through a component, the ammeter must be connected in
____________ the component.
a. | across | c. | in series with | b. | in parallel with | d. | withour |
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14.
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Current in a(n) _____________circuit is divided among the branches of the
circuit.
a. | series | c. | open | b. | parallel | d. | short |
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15.
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A(n) _____________ is sed to measure resistance.
a. | ohmmeter | c. | voltmeter | b. | ammeter | d. | flowmeter |
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16.
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Which of the following statements is not true about measuring the resistance of
a component that is connected in a circuit.
a. | Turn off the power supply | c. | Make sure the power supply is
on. | b. | Disconnect one of the component leads from the circuit. | d. | Connect the leads across the
component. |
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17.
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When leads are connected in series, their individual resistanced are
____________
a. | multiplied | c. | subtracted | b. | divided | d. | added |
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Matching
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Segment 1
a. | Volts | e. | Voltage | b. | Digital Multimeter | f. | current | c. | ground | g. | lower | d. | V |
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18.
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__________ is the existence of a potential difference between two points in a
circuit.
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19.
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Voltage is measured in units called _________.
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20.
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________ is the abbreviation symbol used for voltage in equations.
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21.
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The measurement readings of a(n) _________ are much easier to read than an
analog multimeter.
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22.
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The black lead from the negative (common) terminal of the DMM should be
connected to the point with the _____ potential in the circuit.
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23.
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The three basic units that can be measured using a multimeter are Voltage,
________, and resistance.
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24.
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A(n) _________ is a common connection point, or a known reference point, in an
electrical circuit.
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Segment 2
a. | parallel | d. | branch | b. | voltage | e. | divided | c. | series | f. | ground |
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25.
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There is only one path for current to travel in a _______ circuit.
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26.
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A ________ circuit has more than one path for current to flow.
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27.
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In a series circuit, the total voltage supplied by the power supply is _______
among the loads.
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28.
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The voltage drop across any component is the difference in voltage referenced
to __________ between the two terminals of the component.
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29.
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When a parallel circuit is connected to a constant voltage source, the same
amount of voltage is available to each _______ of the circuit.
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30.
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Most AC wiring circuits in buildings use parallel circuits so the loads can all
receive the same _________.
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Segment 3
a. | Negative | d. | Series | b. | Amperes | e. | Parallel | c. | A |
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31.
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Current is measured in units called _________.
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32.
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_____ is the abbreviation symbol for current.
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33.
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When measuring current, the ammeter must be connected in __________ with the
components of the circuit.
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34.
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The current in a series circuit flows from the positive terminal of the supply
to the ___________ terminal through each component in a circuit.
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35.
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The current in a(n) ____________ circuit is divided among the branches of the
circuit.
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Segment 4
a. | continuity | d. | W | b. | disconnect | e. | ohms | c. | across | f. | power source |
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36.
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Resistance is measured in units called __________.
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37.
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The symbol for ohm is ______.
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38.
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Since all electrical components in a circuit are connected with a conductor of
some kind, the conductor must have _________ or the circuit will not operate.
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39.
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A continuity tester is composed of a (n) __________ and a sounding
device.
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40.
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When measuring resistance, the user should measure __________ the
component.
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41.
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When measuring the resistance of a component in a circuit, the user should
______________ one side of the component from the circuit.
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