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146.Two cells when connected in series are balanced on 6m on a potentiometer.if the polarity of one of these cell is reversed,they balance,on 2m. The ratio of e.m.f of the two cells is?

Answer» 146.Two cells when connected in series are balanced on 6m on a potentiometer.if the polarity of one of these cell is reversed,they balance,on 2m. The ratio of e.m.f of the two cells is?


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