Question

write the princple of potentiometer~~ and also obtain the expression for the study of internal resistance of a cell.​

Answer 1

Answer:

principal of operation a principal of a potentiometer is that potential dropped acrossed a segment of a wire of uniform cross section carrying a constant current directly proportional to its length .THE POTENTIOMETER is simple device used to measure the electrical potentials(or comparethe cell)

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Answer 2

Explanation:

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