Question

To get maximum current in a resistance of 3 Ω one can use n rows of m cells connected in parallel. If
the total no. of cells is 24 and the internal resistance of a cell is 0.5 then

(a) m= 12, n= 2 (b) m= 8, n= 4 (c) m= 2, n= 12 (d) m= 6, n= 4