Find the number of electrons that generate 1 coulomb charge ?
Find the number of electrons that generate 1 coulomb charge ?
$\quad 6.24 \times 10^{18}$
$1.25 \times 10^{18}$
$6.22 \times 10^{23}$
$3.12 \times 10^{18}$
Solution
Charge on $1 \mathrm{e}^{-}=1.602 \times 10^{-19}$ coulomb.
$\therefore \quad$ Number of electrons having total charge of
$1 \text {coulomb }=\frac{1}{1.602 \times 10^{-19}}=6.242 \times 10^{18}$