A metal rod of length l is placed normal to a uniform magnetic field B. The rod moves with velocity v perpendicular to the field. Show that motional emf across its ends is Blv.

A magnetic dipole is placed in a uniform magnetic fields, B, when the potential energy is minimum

A square loop of a conducting material of side and resistance r is dragged through a uniform magnetic field B with uniform velocity nu keeping the plane of the loop perpendicular to the direction ofthe field. What isthe current flowing through the loop?