Teaching HTET PGT Level 3 - 2024 Mock Test Physics Moving Charges and Magnetism The Magnetic Dipole Moment
An iron rod of length l and magnetic moment M is cut half such that its length becomes half. When each part is bent in the form of semicircle, the magnetic moment of any one part will be:
1
\(\frac{M}{\pi}\)
2
\(\frac{M}{2\pi}\)
3
\(\frac{M}{4\pi}\)
4
\(\frac{2M}{\pi}\)