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Consider N=n1n2 identical cells, each of...

Consider `N=n_1n_2` identical cells, each of emf E and internal resisance r. Suppose `n_1` cells are joined in series to form a line and `n_2` such lines are connected in an external resistance R. The current in the external resistance is

A

`(n_1n_2E)/(R+r)`

B

`(n_1E)/(R+n_1/n_2r)`

C

`(n_2E)/(R+n_2/n_1r)`

D

`(n_1E)/(R+n_2/n_1r)`

Text Solution

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The correct Answer is:
B
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