Calculate the power consumed in an external circuit of resistance

Posted on 2014-01-20 13:08:00 in Engineering by CARRICK+_*/

A battery comprises of 10 cells, each with as e.m.f. of 2 volts and internal resistance of 0.?2 ?. Calculate the power consumed in an external circuit of resistance 0.25 ? when the cells are connected: (i) all in series, (ii) all in parallel.

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