Question

calculate the number of excess electrons in a body having charge of. -1 coloumb??​

Answer 1

Answer:

Sol. we know

charge = no. of electrons× charge of electron

=> q = ne

=> n = q/e = 1/1.6×10^-19

=> n = 0.625 × 10¹⁹

=> n = 6.25 × 10¹⁸ electrons