The bob of a simple pendulum is replaced by a magnet. The oscillations – McqOptions

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1.	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 [KCET 1994]
A.	Period decreases
B.	Period does not change
C.	Oscillations are damped
D.	Amplitude increases
Answer» D. Amplitude increases

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