:If a body contains n1 electrons and n2 protons, the total amount of charge on the body is? A:(n2 x n1) e B:(n2 / n1) e C:(n2-n1)e D:(n2 + n1) e
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Solution
Dear student, as electron is negatively charge, so charge on n1 electron = -n1*e as proton is positively charge, so charge on n2 proton = +n2*e therefore, net charge=(n2-n1)e. Regards.