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A bar magnet of magnetic moment 3.0Am^2 ...

A bar magnet of magnetic moment `3.0Am^2` is placed in a uniform magnetic field of `2xx10^(-5)T` if each pole of the magnet experiences a force of `6xx10^(-4)` N the length of the magnet is

A

0.5m

B

0.3m

C

0.2m

D

0.1m

Text Solution

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The correct Answer is:
D
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