Answers

2016-04-29T16:20:32+05:30
Mass of 1 e-(m) = 9.11*10^-31 kg
charge on 1 e- = 1.6*10^-19 c
   total mass (M) = 75 kg
so, total charge (Q) = M*q/m
                                = 75*1.6*10^-19/9.11*10^-31
                                =1.32*10^13 C
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