A potentiometer circuit consists of an accumulator with emf 5.0V and internal resistance 2Ω connected...
A potentiometer circuit consists of an accumulator with emf 5.0V and internal resistance 2Ω connected...
A potentiometer circuit consists of an accumulator with emf 5.0V and internal resistance 2Ω connected in series with a potentiometer wire PQ which is 1m long with resistance 10 Ω. Calculate
i. The p.d across the wire PQ, and
ii. The emf of the cell which has a balance length of 75cm.?
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Asked by dony on 25th June, 2020
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