Question

two magnetic field lines do not intersect each other justify your answers

Answer 1

if two lines will intersect then you will have two directions of magnetic field at one point which is not possible

Answer 2

If two magnetic lines intersect each other than at the point of intersection their will be two tangent which shows two different directions of magnetic field from the same point which is not possible, therefore two magnetic lines do not intersect each other...

Hope this will help you..