Question:
Find the dimensions of
(a) Electric dipole moment p,
(b) magnetic dipole moment M
Solution:
(a) Electric dipole moment $=q \mathrm{~L}=[\mathrm{IT}] \times[\mathrm{L}]=[\mathrm{LIT}]$
(b) Magnetic dipole moment $=I A=[I] \times\left[L^{2}\right]=\left[I L^{2}\right]$