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n identical cells each of e.m.f. E and internal resistance r are connected in parallel. An external…
n identical cells each of e.m.f. E and internal resistance r are connected in parallel. An external resistance R is connected in series to this combination. The current through R is:
- (a)$\frac{nE}{R + nr}$
- (b)$\frac{nE}{nR + r}$
- (c)$\frac{E}{R + nr}$
- (d)$\frac{nE}{R + r}$
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From ISC 2022 Specimen Physics Paper 1, question 19.