Physics · Moving Charges and Magnetism
A current-carrying circular loop of magnetic moment M⃗ is suspended in a vertical plane in an external uniform magnetic field B⃗ such that its plane is normal to B⃗. The work done in rotating this loop by 45° about an axis perpendicular to B⃗ is closest to:
- 11.7 MB
- 2-1.7 MB
- 30.3 MB✓
- 4-0.3 MB
Correct answer
0.3 MB
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