Magnetism and Matter - Result Question 3
6. A bar magnet having a magnetic moment of is free to rotate in a horizontal plane. A horizontal magnetic field exists in the space. The work done in taking the magnet slowly from a direction parallel to the field to a direction from the field is
[2009]
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 6. (b)
Solution:
- (b) Work done