Physics, asked by snitishkumar011, 6 months ago

State the principle of potentiometer. Draw a circuit
diagram used to compare the e.m.f.oftwo primary cells.​

Answers

Answered by boyarevulavarsha
1

Comparison of emf of two cells: First of all the ends of potentiometer are connected to a battery B1, key K and rheostat Rh such that the positive terminal of battery B1 is connected to end A of the wire. This completes the primary circuit

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