Home Physics Current Electricity Different Measuring Instruments A potentiometer is an ideal device of measur…
Physics Current Electricity Different Measuring Instruments MCQ (Single Correct)

A potentiometer is an ideal device of measuring potential difference because

A
It uses a sensitive galvanometer
B
It does not disturb the potential difference it measures
C
It is an elaborate arrangement
D
It has a long wire hence heat developed is quickly radiated

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Text Solution

Verified by Experts
The correct answer is:
B

In balance condition, potentiometer doesn't take the current from secondary circuit.

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