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in Magnetism and Matter by (26.7k points)
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The figure shows a liquid placed on the pole pieces of two magnets.

1. Which magnetic behaviour is exhibited by the liquid?

2. Write any two characteristics of this magnetic behaviour?

3. Does this behaviour transform with temperature. Why?

1 Answer

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1. Diamagnetism 

2. characteristics of this magnetic behaviour: 

  • Permeability of a diamagnetic material is less than one.
  • Susceptibility is small and negative.

3. No. The magnetic dipole moment induced in the diamagnetic material is opposite to the magnetising field and hence does not affect the thermal motion of atoms. Hence change in temperature has no effect on diamagnetism.

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