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(3) r=nR (4) R=vni 33. n identical cells...

(3) r=nR (4) R=vni 33. n identical cells are joined in series with two cells A and B with reversed polarities, emf of each cell i E and internal resistance is r. Potential across cell A or B is (n > 4); (1) 2E n (2) 2011- (4) 2E ( 1 - 2 n der a evlindrical element as shown in the adjoinng

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