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Potentiometer

Which of the ...

Question

Which of the following devices performs the same function as a voltmeter?

A

Ammeter

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B

Ohmmeter

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C

Potentiometer

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D

Galvanometer

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Solution

The correct option is C Potentiometer
Potentiometer is an ideal voltmeter. It draws no current from the circuit and therefore does not change the resistance or potential drop across the points where it is connected.

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