1.

A cell of e.m.f. \[E\] is connected with an external resistance \[R\], then p.d. across cell is \[V\].  The internal resistance of cell will be                [MNR 1987; Kerala PMT 2002; MP PMT 2002]

A.                    \[\frac{(E-V)R}{E}\]
B.                                      \[\frac{(E-V)R}{V}\]
C.                    \[\frac{(V-E)R}{V}\]   
D.            \[\frac{(V-E)R}{E}\]
Answer» C.                    \[\frac{(V-E)R}{V}\]   


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