Two cell with the same e.m.f. E and difference internal resistance `r_(1) and r_(2)` are connected in series to an external resistance `R` A value of `R` be selected such thet the pot .diff as the floe cell should be zero when

Two cell with the same e.m.f. E and difference internal resistance r_(1) and r_(2) are connected in series to an external resistance R a value of R be selected such that the potential difference as the flow cell E should be zero when

Two cells with same e.m.f. .E. and different internal resistances r_(1) and r_(2) are connected in series to an external resistance .R.. The value of R so that the p.d. across the first cell be zero is

Two cells with the same emf E and different internal resistances r_(1) and r_(2) are connected in series to an external resistances R . The value of R so that the potential difference across the first cell be zero is

Tow cells with the same emf E and different internal resistances r_(1) and r_(2) are connected in series to an external resistances R . The value of R so that the potential difference across the first cell be zero is

Two cells of the same e.mf. e but different internal resistances r_(1) and r_(2) are connected in series with an external resistance 'R'. The potential drop across the first cell is found to be zero. The external resistance Ris

Two cells of the same e.mf. e but different internal resistances r_(1) and r_(2) are connected in series with an external resistance 'R'. The potential drop across the first cell is found to be zero. The external resistance Ris

A circuit consists of two cells, each of e.m.f. E and internal resistances r_(1) and r_(2) are connected in series through an external resistance X. If the potential difference between the ends of the first cell is zero, the value of X in terms of r_(1) and r_(2) will be

A circuit consists of two cells, each of e.m.f. E and internal resistances r_(1) and r_(2) are connected in series through an external resistance X. If the potential difference between the ends of the first cell is zero, the value of X in terms of r_(1) and r_(2) will be