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Please explain the concept of potentiometer.I am not able to understand one given in NCERT

Please explain the concept of potentiometer.I am not able to understand one given in NCERT

Grade:12

1 Answers

Arun
25750 Points
5 years ago
The principle of the potentiometer is that: For a wire having uniform area of cross section and uniform composition,the potential drop is directly proportional to the length of wire. The above principle is valid when potentiometer is used in comparing the EMF of two cells

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