A small bar magnet P is moving with a constant velocity v

Last updated: 6/25/2023

A small bar magnet P is moving with a constant velocity v towards a fixed conducting ring of radius a along its axis as shown in the figure Electrical resistance of the ring is R and its self inductance is vanishingly small The bar magnet can be modelled as magnetic dipole P of dipole moment m Find force of interaction between the bar magnet and the ring Ans 9M a4m x Repulsive 4810 x 15