The magnetic lines of force inside a bar magnet....... (a)are from the south pole to the north pole of the magnet (b)are from the north pole to the south pole of the magnet (c)do not exist (d)depend upon the area of crosssection of the bar magnet

Options

A. are from the south pole to the north pole of the magnet
B. are from the north pole to the south pole of the magnet
C. do not exist
D. depend upon the area of crosssection of the bar magnet