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A bar magnet of magnetic moment M is pla...

A bar magnet of magnetic moment M is placed at right angles to a magnetic induction B. If a force F is experienced by each pole of the magnet, the length of the magnet will be

A

MB/F

B

BF/M

C

MF/B

D

F/MB

Text Solution

Verified by Experts

The correct Answer is:
A
`tau = MB = F xx l implies I = (MB)/(F)`
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