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Q.
When a bar magnet falls through a long hollow metal cylinder fixed with its axis vertical, the final acceleration of the magnet is:
Electromagnetic Induction
Solution:
On falling downward, a bar magnet, through long hollow metallic cylinder eddy current produces due to change in magnetic flux motion of bar magnet retarded and with time motion will ultimately stops because retarding force becomes equal to its weight as $mg =- k$. Hence, deceleration becomes zero.