Question

In $SI$ system the unit of dipole moment is

• A. $C-m$
• B. $C-m^2$
• C. $C/m^2$
• D. $C/m$

Answer 1

Answer: (A)

Dipole moment $p=q\times 2a$ where $q$ is the magnitude of either charge of dipole and $2a$ is dipole length.
$\therefore$ SI unit of dipole moment $=C-m$.