Question

give the characteristics of magnetic field lines ​

Answer 1

THEY FORM CLOSED CURVES

INSIDE A MAGNET IT MIVES FROM NORTH TO SOUTH

OUTSIDE A MAGNET IT MOVES FROM SOUTH TO NORTH

MAGNETIC FIELD DO NOT CROSS CUT EACHOTHER

Answer 2

1. They do not intersect.

2. It is taken by convention that magnetic field lines emerg from north pole and merge at south pole.

3. Inside the magnet there direction is from South pole to north pole .

Therefore, magnetic field lines are closed curves.