Categories > Current Electricity > Different Measuring Instruments > In a potentiometer experiment two cells of e.m.f.E1 and E2 are used in series and in conjunction and the balancing length is found to be 58 cm of the wire. If the polarity of E2 is reversed, then the balancing length becomes 29 cm. The ratio $\frac{{{E_1}}}{{{E_2}}}$ of the e.m.f. of the two cells is

Current Electricity

Question: In a potentiometer experiment two cells of e.m.f.E1 and E2 are used in series and in conjunction and the balancing length is found to be 58 cm of the wire. If the polarity of E2 is reversed, then the balancing length becomes 29 cm. The ratio $\frac{{{E_1}}}{{{E_2}}}$ of the e.m.f. of the two cells is


1) 1 : 1
2) 2 : 1
3) 3 : 1
4) 4 : 1
Solution: Explanation: No Explanation
Different Measuring Instruments Potentiometer Meter Bridge

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