Question

Potentiometer is mainly wed to measure​

Answer 1

Answer:

electric potentials..

Explanation:

The principal of a potentiometer is that the potential dropped across a segment of a wire of uniform cross section carrying a constant current is directly proportional to it's length. Potentiometer is a simple devices..

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Answer 2

Explanation:

The principal of the potentiometer is that the potential dropped across a segment of a wire of inform cross,_ section carrying a constant current is directly proportional to its length