If a charge on the body is 1 nC, then how many electrons are present on the body ?

Options

A. `1.6 xx 10^(19)`
B. `6.25 xx 10^(9)`
C. `6.25 xx 10^(27)`
D. `6.25 xx 10^(28)`

Answer

B

Explanation

`q = n e rArr n = (q)/(e) = (1xx 10^(-9))/(1.6 xx 10^(-19)) = 6.25 xx 10^(+9)`