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A cell of e.m.f. E is connected to an external resistance R. The potential difference across cell…
A cell of e.m.f. E is connected to an external resistance R. The potential difference across cell is V. The internal resistance of cell will be:
- (a)$\left(\frac{E-V}{E}\right)R$
- (b)$\left(\frac{E-V}{V}\right)R$
- (c)$\left(\frac{V-E}{V}\right)R$
- (d)$\left(\frac{V-E}{E}\right)R$
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From ISC 2022 Specimen Physics Paper 1, question 17.