the null point shifts to a distance of 30cm from the common terminal. what is the internal resistance of the cell?

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In an experiment with a potentiometer, the null point is obtained at a distance of 60cm along the wire from the common terminal with a leclanche cell. When a shunt resistance of 1Ω is connected across the cell, the null point shifts to a distance of 30cm from the common terminal. what is the internal resistance of the cell?
13
Nov
In an experiment with a potentiometer, the null point is obtained at a distance of 60cm along the wire from the common terminal with a leclanche cell. When a shunt resistance of 1Ω is connected across the cell, the null point shifts to a distance of 30cm from the common terminal. what is the internal [...]
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Tags: In an experiment with a potentiometer , the null point is obtained at a distance of 60cm along the wire from the common terminal with a leclanche cell. When a shunt resistance of 1Ω is connected across the cell , the null point shifts to a distance of 30cm from the common terminal. what is the internal resistance of the cell? ,