A bar magnet having a magnetic moment of 2.0 \times 10^5 {\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 : [26-Jun-2022-Shift-2]

Magnetism and Matter

Section: Physics

Question : 33 of 73

Marks: +1, -0

A bar magnet having a magnetic moment of 2.0×105JT−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 :

[26-Jun-2022-Shift-2]

14J
8.4J
4J
1.4J

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