Question

Why two magnetic field lines never cross each other?

Answer 1

Bcoz magnetic field lines are close continuous curves passing through the magnet

Answer 2

Heyy Princess !!
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NO,Magnetic lines never intersect .If they intersects at a point the compass show two directions which is impossible .i.e we can draw two tangents from that intersecting point which show direction (two) which is impossible.
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                                                                                     -SahilLincolN