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‘n' identical cells are joined in series with two cells A and B with reverse polarities .EMF of each cell is ‘E' and internal resistance 'r'. 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 .EMF of each cell is ‘E' and internal resistance 'r'. Calculate the potential difference across the cell A and B.
netresistance = nrnet voltage in series = neE1 = e + irfor n cells and n resitances,E2 = ne + i(nr)potential diff.E1 – E2. hence.
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