Question

A magnetic dipole of length `15cm` has a dipole moment of `1-5Am^2`. What is the pole of strength?

Answer 1

Here, `2l=15cm=15xx10^-2m`,
`M=1*5Am^2 m=?`
From `M=mxx2l`
`m=(M)/(2l)=(1*5)/(15xx10^-2)=10Am`