[" Two cells when connected in series ar...

[" Two cells when connected in series are balanced on "8m" on a potentiometer.If the cells ar "],[" connected with polarities of one of the cell is reversed,they balance on "2m" .The ratio "],[" e.m.f.'s of the two cells is- "],[[" (A) "3:5," (B) "5:3," (C) "3:4," (D) "4:3]]

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[" Two cells when connected in series are balanced on "8m" on a potentiometer.If the cells ar "],[" connected with polarities of one of the cell is reversed,they balance on "2m" .The ratio "],[" e.m.f.'s of the two cells is- "],[[" (A) "3:5," (B) "5:3," (C) "3:4," (D) "4:3]]

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