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A bar magnet is placed upright on a floo...

A bar magnet is placed upright on a floor (so that the axis of the magnet is vertical). A copper ring is held above the magnet, with its plane horizontal, and released. The copper ring falls in such a manner that its axis always coincides with that of the magnet. What will be the acceleration with which the ring will fall ? Acceleration due to gravity is 10 `m//s^(2)`

A

`10m//s^(2)`

B

Less than `10m//s^(2)`

C

More than `10m//s^(2)`

D

The answer will depend upon which pole of the magnet is up

Text Solution

Verified by Experts

The correct Answer is:
B
Because of Lenz.s law.
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