Physics, asked by Sahilpanjla6117, 11 months ago

Explain how potentiometer is used to compare emf of two cells with suitable circuit diagram. with diagram

Answers

Answered by akashkumar02042001

Answer:

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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