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Each pole of magnet of length 20 cm in a...

Each pole of magnet of length 20 cm in a magnetic field of induction 0.2 T experiences a force 20 N. The magnetic moment of magnet is

A

`20 Am^(2)`

B

`15 Am^(2)`

C

`10Am^(2)`

D

`5Am^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
M=3.2l
`=(F)/(B).2l`
`(20xx0.2)/(0.2)`
`=20 AM^(2)`
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