Calculate the value of the resistance to be connected in series

Posted on 2014-01-20 13:51:00 in Engineering by CHADWICK_@#$

It is required to charge 25 cells from a 240 v d.c. supply. The internal resistance of each cell is 0.18 ? and the e.m.f. of each cell is 2.4 V. Calculate the value of the resistance to be connected in series with the 25 cells, so that the maximum charging current should not exceed 4A.

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