An iron rod of length L and magnetic moment M is bent in the form of a semicircle. Now its magnetic moment will be

A straight steel wire of length l has a magnetic moment M. When it is bent in the form of a semi - circle its magnetic moment will be

A rod of length L and magnetic-moment M is bent to form a semicircular shape.What will be the new magnetic moment?

A bar magnet of length l and magnet dipole moment M is bent in the form of an arc. The new magnetic dipole moment is

A magnet of magnetic moment M of length 22 cm is bent into a semicircle.Now the magnetic moment is