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The test instrument used to measure current in an electrical circuit is called a(n) ____________________.

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The ____ is used to measure resistance.


A) ammeter
B) ohmmeter
C) voltmeter
D) wattmeter

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A low-impedance voltage tester has a very large current draw compared with other types of voltmeters and should never be used to test ____________________-power circuits.

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An ohmmeter should always be readjusted to ____________________ when the scale is changed.

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The ____, unlike the voltmeter, is a very low-impedance device.


A) ammeter
B) ohmmeter
C) wattmeter

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AC/DC ammeters use the ____ effect as their basic principle of operation.


A) Smith
B) Jones
C) Hall
D) Oates

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When reading an ohmmeter scale, the value of resistance shown at the far left end of the scale is ____________________.

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____________________ meters are characterized by the use of a pointer and scales to indicate values.

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The test instrument used to measure voltage in a circuit is called a(n) ____________________.

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