Question

How to compare emf of two batteries.​

Answer 1

Answer:

It is my notes picture.

Hope it helps you.

Thanks for the question.

Answer 2

Answer:

✍To compare the emf's of two given primary cells using a 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.