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A vibration magnetometer placed in magne...

A vibration magnetometer placed in magnetic meridian has a small bar magnet. The magnet executes oscillations with a time period of 2 s in earth's horizontal magnetic field of `24 mu T`. When a horizontal field of `18 muT` is produced opposite to the earth's field by placing a current carrying wire, the new time period of the magnet will be

A

1s

B

2s

C

3s

D

4s

Text Solution

Verified by Experts

The correct Answer is:
D
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