Question

what is potentiometer???????​

Answer 1

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whαt íѕ pσtєntíσmєtєr??

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Potentiometer is a mainly used to measure emf of a given cell, internal resistance of a cell and also to compare emf's of cells.

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Answer 2

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$\huge{\boxed{Potentiometer÷}}$ It is a variable resistor with a third adjustable terminal. The potential at the third terminal can be adjusted to give any fraction of the potential across the ends of the resistor...

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