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write the working principal of potentiometer?

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write the working principal of potentiometer?

Posted by Nisha Singh 6 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Ash Thunderbird ✔ 6 years, 11 months ago

If you want to compare the emf of two cells, then for a wire having uniform area of cross section and uniform composition, the potential drop is directly proportional to the length of wire.

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