Question

Describe how the magnetic field lines or magnetic field produced by a bar magnet can be plotted on a paper .........
Please answer

Answer 1

The field lines move from north pole to south pole and in the magnet they move from south pole to north pole.

These lines don't intersect each other.

Answer 2

They are the imaginary line which show the magnetic field around a bar magnet.

They start from north and ends at South.
They are closed and continuous turns.
They never intersect eachother