Physics, asked by yogirajmaliya5513, 10 months ago

Name the device which is used to compare emf of two cells and find the internal resistance

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Answered by Anonymous

Potentiometer. Potentiometer is a device used to compare the e.m.f. (electromotive force) of two cells, to measure the internal resistance of a cell, and potential difference across a resistor. It consists of a long wire of uniform cross-sectional area and of 10 m in length.

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