Curie temperature is the temperature above which

  • Option 1)

    a ferromagnetic material becomes paramagnetic

  • Option 2)

    a paramagnetic material becomes diamagnetic

  • Option 3)

    a ferromagnetic material becomes diamagnetic

  • Option 4)

    a paramagnetic material becomes ferromagnetic.

 

Answers (1)

As we learnt in

Curie Temperature or Curie Point -

With the rise of temperature susceptibility of ferromagnetic materials decreases.

- wherein

It is denoted by Tc

 

 

A ferromagnetic material becomes paramagnetic above Curie temperature.

 


Option 1)

a ferromagnetic material becomes paramagnetic

Correct

Option 2)

a paramagnetic material becomes diamagnetic

Incorrect

Option 3)

a ferromagnetic material becomes diamagnetic

Incorrect

Option 4)

a paramagnetic material becomes ferromagnetic.

Incorrect

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