engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Physics Moving Charges and Magnetism The Magnetic Dipole Moment
A thin rod of length L has magnetic moment M when magnetised. If rod is bent in a semicircular arc what is magnetic moment in new shape?
1
\(\frac{M}{L}\)
2
\(\frac{M}{\pi}\)
3
\(\frac{M}{2\pi}\)
4
\(\frac{2M}{\pi}\)