A) [2(E-V)V]/R
B) [2(E-V)/V]R
C) [(E-V)/V]R
D) (E-V)R
Correct Answer: C
Solution :
Let r be the internal resistance of the cell. Terminal potential difference (V) < EMF of a cell (E). \[V=E-Ir\]or\[r=\frac{E-V}{I}=\left( \frac{E-V}{V} \right)R\]You need to login to perform this action.
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