Why potentiometer is preffered over voltmeter
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The potentiometer is preferred over voltmeter when there is a measurement of emf of the cell because the potentiometer does not draw any current as it is a null device. Whereas voltmeter draws current from the cell.
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Answered by
1
Answer:
The potentiometer is preferred over voltmeter when there is a measurement of emf of the cell because the potentiometer does not draw any current as it is a null device. Whereas voltmeter draws current from the cell.
Explanation:
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