Question
Question: The bob of a simple pendulum is replaced by a magnet. The oscillations are set along the length of t...
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
Answer
Oscillations are damped
Explanation
Solution
It is due to the magnetic field produced by coil.