Bob of a simple pendulum is replaced by a magnet. oscillations are set along length of magnet. A cop

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5.Magnetism and Matter

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The bob of a simple pendulum is replaced by a magnet. The oscillations are set along the length of the magnet. A copper coil is added so that one pole of the magnet passes in and out of the coil. The coil is short-circuited. Then which one of the following happens

A

Period decreases

B

Period does not change

C

Oscillations are damped

D

Amplitude increases

Solution

(c)It is due to the magnetic field produced by coil.

Standard 12

Physics

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