Physics-
General
Easy
Question
A bar magnet of magnetic moment 3.0 A-m2 is placed in a uniform magnetic induction field of 2 × 10–5 T. If each pole of the magnet experiences a force of 6 x 10–4 N, the length of the magnet is
- 0.5 m
- 0.3 m
- 0.2 m
- 0.1m
The correct answer is: 0.1m
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