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Question
Can two magnetic field lines intersect each other? Give reason to your answer.
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Solution
No two magnetic field lines can intersect each other. If they do, there would be two directions of the field at that point which is not possible.
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Assertion (A): Magnetic field lines never intersect each other.
Reason (R): If they intersect, then at the point of intersection, the compass needle would point towards two directions, which is not possible.
