If m identical cells of e.m.f. V and internal resistance 'r' are conne – McqOptions

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1.	If m identical cells of e.m.f. V and internal resistance 'r' are connected in series, they produce a current through an external resistance R equal to
A.	\(\frac{{{\rm{mV}}}}{{{\rm{r}} + {\rm{R}}}}\)
B.	\(\frac{{{\rm{mV}}}}{{\rm{R}}}\)
C.	\(\frac{{\rm{V}}}{{{\rm{r}} + {\rm{R}}}}\)
D.	\(\frac{{{\rm{mV}}}}{{{\rm{mr}} + {\rm{R}}}}\)
Answer» E.

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