(C) Magnetic field lines are continuous closed loops. Outside a magnet,they travel from the north pole to the south pole. However,inside a magnet,they

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Inside a magnet,its magnetic lines of force move from the north pole of a magnet towards its south pole.

(C) Magnetic field lines are continuous closed loops. Outside a magnet,they travel from the north pole to the south pole. However,inside a magnet,they travel from the south pole to the north pole to complete the closed loop. Therefore,the statement in option $C$ is incorrect.

Class 12 Physics Magnetism and Matter Bar Magnet and Magnetic Dipole and Magnetic Moment

Easy

The incorrect statement regarding the lines of force of the magnetic field $B$ is:

A
Magnetic intensity is a measure of lines of force passing through unit area held normal to it.
B
Magnetic lines of force form a closed curve.
C
Inside a magnet,its magnetic lines of force move from the north pole of a magnet towards its south pole.
D
Due to a magnet,magnetic lines of force never cut each other.