Consider the following statements about a magnetic field.
(i) A magnetic field has both magnitude and direction.
(ii) The direction of magnetic field lines inside a bar magnet is from its south pole to its north pole.
(iii) Magnetic field lines are closed curves.
Select the correct option.
1
Only (i) is correct
2
(i), (ii) and (iii) all are correct
3
(ii) and (iii) are correct
4
(i) and (iii) are correct