Choose the incorrect statement from the following regarding magnetic lines of field -
1
The direction of magnetic field at a point is taken to be the direction in which the north Pole of a magnetic compass needle points.
2
Magnetlc field lines are closed curves.
3
If magnetic field lines are parallel and equidistant, they represent zero field strength.
4
Relative strength of magnetic field is shown by the degree of closeness of the field lines.