JEE Main 2012Annual, Paper 1PhysicsEasyElectromagnetic Induction and Alternating Currents149× since 2002
A coil is suspended in a uniform magnetic field, with the plane of the coil parallel to the magnetic lines of force. When a current is passed through the coil it starts oscillating; It is very difficult to stop. But if an aluminium plate is placed near to the coil, it stops. This is due to :