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A potentiometer is an ideal device of me...

A potentiometer is an ideal device of measuring potential difference because

A

voltmeter has high resistance

B

resistance of potentiometer wire is quite low

C

potentiometer does not draw any current from the unknown source of emf, to be measured

D

sensitivity of potentiometer is higher than that of a voltmeter

Text Solution

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The correct Answer is:
C
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