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.

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