what is electromagnetic damping? explain.
Dear Student
Electromagnetic damping is one of the most interesting damping techniques, which uses electromagnetically induced currents to slow down the motion of a moving object without any physical contact with the moving object.
For example
When a magnet moves through a coil an current is induced in the coil (eddy current) due to the time varying magnetic flux. But according to Lenz law the current should be such a direction that it opposes the reason for it. Here the reason is the motion of the magnet. So the eddy current will appear in such a direction that the motion of the magnet will be opposed and the magnet will be damped.
Regards
Electromagnetic damping is one of the most interesting damping techniques, which uses electromagnetically induced currents to slow down the motion of a moving object without any physical contact with the moving object.
For example
When a magnet moves through a coil an current is induced in the coil (eddy current) due to the time varying magnetic flux. But according to Lenz law the current should be such a direction that it opposes the reason for it. Here the reason is the motion of the magnet. So the eddy current will appear in such a direction that the motion of the magnet will be opposed and the magnet will be damped.
Regards