A bar magnet having a magnetic moment of 2.0 … 10⁵ JT^…1, is placed along the direction of uniform magnetic field of magnitude B = 14 … 10^…5 T. The work done in rotating the magnet slowly through 60… from the direction of field is :

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Magnetic Properties of Matter

JEE Main 2022 · 26 Jun, Evening shift · Q7614

PhysicsEasy49×since 2003Q7614

A bar magnet having a magnetic moment of 2.0

\times

10⁵ JT^

-

1, is placed along the direction of uniform magnetic field of magnitude B = 14

\times

10^

-

5 T. The work done in rotating the magnet slowly through 60

^\circ

from the direction of field is :