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Get Answers to all your Questions
A potentiometer can measure emf of a cell because
Option: 1 the sensitivity of potentiometer is large.
Option: 2 no current is drawn from the cell at balance.
Option: 3 no current flows in the wire of potentiometer at balance.
Option: 4 internal resistance of cell is neglected.
Answers (1)
A potentiometer can measure emf of a cell because no current flows in the wire of potentiometer at balance.
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