Physics, asked by vikasgupta39, 5 days ago

A cell of e .m. f. E and internal resistance r gives a current of 0.5A with an external resistance of 12 Ω and a current of 0.25A with an external resistance of 25Ω.Calculate the (i) internal resistance of the cell (r) and (ii) e .m. f. of the cell (E).

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Answered by fflolffkol

1

Answer:

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