Question:
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 :-
Correct Option: 1
Solution:
Due to conducting nature of $\mathrm{Al}$ eddy currents are produced