Find the current in the external resistance

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Reference no: EM131378228

Consider N - n1n2 identical cells, each of emf e and internal resistance r. suppose n, cells are joined in series to form a line and n2 such lines are connected in parallel. The combination drives a current in an external resistance R.

(a) Find the current in the external resistance,

(b) Assuming that n, and n2 can be continuously varied, find the relation between n1, n2, R and r for which the current in R is maximum.

Reference no: EM131378228

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