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A potentiometer wire is 10 m long and a potential difference of 2.5 volt is attached between its two ends.the null point is obtained at a distance of 6m from common end.when a shunt resistance of 1 ohm is connected across the cell,the null point shifts to 3m.Find the potential gradient,e.m.f. of the cell and internal resistance of the cell.

A potentiometer wire is 10 m long and a potential difference of 2.5 volt is attached between its two ends.the null point is obtained at a distance of 6m from common end.when a shunt resistance of 1 ohm is connected across the cell,the null point shifts to 3m.Find the potential gradient,e.m.f. of the cell and internal resistance of the cell.

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Grade:12

1 Answers

ROSHAN MUJEEB
askIITians Faculty 829 Points
one year ago
please refer dc pandey of potentiometer.you will surely crack this on your own

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