Question:medium

The magnetic moment of an iron bar is M. It is now bent in such a way that it forms an arc section of a circle subtending an angle of 60° at the centre. The magnetic moment of this arc section is

Updated On: Nov 26, 2025
  • $\frac{3M}{\pi}$
  • $\frac{4M}{\pi}$
  • $\frac{M}{\pi}$
  • $\frac{2M}{\pi}$