If a diamagnetic substance is brought near north or south pole of a bar magnet, it is

If a diamagnetic substance is brought near north or south pole of a bar magnet, it is repelled by the pole. This happens because diamagnetic substances do not have any unpaired electrons. Also, they magnetize in the opposite direction of the magnetic field. These substances are repelled in an external magnetic field.

Diamagnetic substances are defined as the weakly magnetized substance when they are placed in an external magnetic field. Copper, mercury, gold, air are the examples of diamagnetic substances.

Following are the characteristics of diamagnetic substances:

  • These substances are repelled by an external magnetic field.
  • The magnetic susceptibility of these substances are negative.
  • Diamagnetic substance loses its magnetism when the external magnetic field is removed.

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