Question

Principle of Wheatstone's bridge is used in as : a) galvanometer b) potentiometer c) ammeter d) voltmeter​

Answer 1

PRINCIPLE OF BALANCED WHEATSTONE BRIDGE IS USED IN POTENTIOMETER.

Detailed Discussion:

• POTENTIOMETER is a physics laboratory instrument which can be used to measure/analyse the potential difference in a circuit.

• It was first created by POGGENDÖRF.

• It is better to use a potentiometer to measure the voltage in a circuit instead of a voltmeter.

• A potential gradient is generated in the potentiometer wire such that the balance point on the potentiometer wire is obtained equivalent to the potential difference of the cell to be measured.

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