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:
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:
Option 1 -
14 J
Option 2 -
8.4 J
Option 3 -
4 J
Option 4 -
1.4 J
-
1 Answer
-
Correct Option - 1
Detailed Solution:
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