Current Electricity

Question: In potentiometer a balance point is obtained, when

1) The e.m.f. of the battery becomes equal to the e.m.f. of the experimental cell

2) The p.d. of the wire between the +ve end tojockey becomes equal to the e.m.f. of the experimental cell

3) The p.d. of the wire between +ve point and jockey becomes equal to the e.m.f. of the battery

4) The p.d. across the potentiometer wire becomes equal to the e.m.f. of the battery

Solution:

Explanation: No Explanation

Different Measuring Instruments Potentiometer Meter Bridge

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