Question

what is potentiometer​

Answer 1

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an instrument for measuring an electromotive force by balancing it against the potential difference produced by passing a known current through a known variable resistance♥️

Answer 2

potentiometer

it is a device used to measure unknown potential difference accurately.

• it is based on zero deflection method.
• while measuring EMF in does not draw any current from the driving source of known EMF

i hope it helps you

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