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Q. |
Magnetism at the centre of a bar magnet is - |
A. | minimum |
B. | maximum |
C. | zero |
D. | minimum or maximum |
Answer» C. zero | |
Explanation: The field at the center is not zero, but weak. At the exact center of a magnet thefield lines are parallel (straight lines if we draw it). Anywhere else they are slightly divergent. |
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