A body has a charge of -2 µC. If it has ...

A body has a charge of -2 µC. If it has 2.5 x 10^13 protons, then how many electrons the body has? (a) 1.25 x 10^13 (b) 2.5 x 10^13 (c) 3.75 x 10^13 (d) None of these

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