Question

why don't two magnetic field line intersect

Answer 1

because if two magnetic field lines intersect the electric field will have two directions at a single point which is not possible.

Answer 2

ANSWER


TWO MAGNETIC FIELD LINE. CANT INTERSECT EACH OTHER BCOZ

tangents can be drawn from that point ofintersection which will give twodirections of the field from the same point,which is impossible.So, the two magnetic field lines can never intersecteach other.


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and also compass needle is showing two different directions which is not possible.


so that's a reason