MCQOPTIONS
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| 1. |
Permanent magnet loses the magnetic behaviour when heated because of1. atomic vibration2. dipole vibration3. realignment of dipolesWhich of the above are correct? |
| A. | 1 and 2 only |
| B. | 1 and 3 only |
| C. | 1, 2 and 3 |
| D. | 2 and 3 only |
| Answer» D. 2 and 3 only | |