MCQ on magnetic dipole

Magnetic dipoles

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

Find the magnetic force on a short magnet of magnetic dipole moment M_(2) due to another short magnet of magnetic dipole moment M_(1) .

The dirrection of magnetic induction at a point on equator of magnetic dipole is

Calculate potential energy of a magnetic dipole in a magnetic field.

At a point on the right bisector of a magnetic dipole the magnetic