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For measurement of potential difference,...

For measurement of potential difference, potentiometer is preferred in comparison to voltmeter because

A

Potentiometer is more sensitive than voltmeter

B

The resistance of potentiometer is less than voltmeter

C

Potentiometer is cheaper than voltmeter

D

Potentiometer does not take current form the circuit

Text Solution

Verified by Experts

The correct Answer is:
D
(d) Potentiometer works on null deflection method. In balance. Condition no current flows in secondary circuit.
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