Questions
A bar magnet of magnetic moment is placed in a uniform magnetic induction field of . If each pole of the magnet experiences a force of . The length of the magnet is
detailed solution
Correct option is D
F=mB⇒F=MLx B⇒6 x 10-4=3 L x 2 x 10-5 ⇒L=0.1 mSimilar Questions
The magnetic moment of a magnet of length 10 cm and pole strength 4.0 Am will be
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