Question

define magnetic field . draw magnetic field lines around a bar magnet​

Answer 1

The properties of magnetic lines of forces are: 1) The direction of magnetic field lines outside the magnet sis from North Pole to South Pole. 2) The direction of magnetic field lines inside the magnet is from south pole to the north pole. 3) No two magnetic field lines intersect each other.

Answer 2

The magnetic filed lines are the lines draw in a magnetic field along which a north magnetic pole would move. The magnetic lines are also known as magnetic lines of force. Activity to draw a magnetic field line outside a bar magnet from one pole to another pole.