‘n' identical cells are joined in series with two cells A and B with reverse polarities. Calculate the potential difference across the cell A and B .

Question

‘n' identical cells are joined in series with two cells A and B with reverse polarities. Calculate the potential difference across the cell A and B .

Vikas TU · Answer

Asuming internal resistances be r and emf e for each cell joined in series. then Total emf = ne total resistance = nr Total Potential Differnce, (n-2)e – 2e = e(n-4) V = ir + e = 2e(1-2/n)

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‘n' identical cells are joined in series with two cells A and B with reverse polarities. Calculate the potential difference across the cell A and B .

‘n' identical cells are joined in series with two cells A and B with reverse polarities. Calculate the potential difference across the cell A and B .

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