The magnetic moment of a bar magnet is 0.5 {\Am}^2. It is suspended in a uniform magnetic field of 8 \times 10^{-2} {\T}. The work done in rotating it from its most stable to most unstable position is : [4 Apr 2024 Shift 2]

Magnetism and Matter

Section: Physics

Question : 12 of 73

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The magnetic moment of a bar magnet is 0.5Am2. It is suspended in a uniform magnetic field of 8×10−2T. The work done in rotating it from its most stable to most unstable position is :

[4 Apr 2024 Shift 2]

16×10−2J
8×10−2J
4×10−2J
Zero

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