Question

All free charges are integral multiple of a basic unit charge $e$. Then quantization rule of electric charge implies

• A. $Q=e$
• B. $Q=\frac{1}{e}$
• C. $Q=ne$
• D. $Q=e^2$

Answer 1

The correct option is C $Q=ne$

The all free charges are integral multiples of a basic unit of charge denoted by e is termed as quantization of charge. The charge of a body is expressed by the equation, $Q=ne$ where $n$ is the any integer $(0,\pm 1,\pm 2,....)$.

The basis unit charge is carried by either an electron or proton. By convection the charge of electron is $-e$ and charge of proton is $+e$. Thus option C will be correct.