Practicing Success
A bar magnet of magnetic moment 3 J/T lies aligned with the directions of a uniform magnetic field of 0.2 T. The amount of work, required so as to align its magnetic moment opposite to the field direction is: |
1.2 J 0.6 J zero -0.6 J |
1.2 J |
The correct answer is Option (1) → 1.2 J |