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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? | |