Which device is used to measure the potential difference between two points of a conductor in the laboratory?

Voltameter

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Ammeter

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Potentiometer

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Galvanometer

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Solution

The correct option is D Potentiometer
The null method gives the most accuracy result in potential difference measurement. So the potentiometer is used to measure potential difference between two points of a conductor.

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The device which measures the electric potential difference between two points is called ___.

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