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  • The variation of magnetic susceptiblity  with absolute temperature T for a ferromagnetic material is  a)

The variation of magnetic susceptiblity \chi with absolute temperature T for a ferromagnetic material is 

a)

b)

c)

d)

Option: 1

(a)


Option: 2

(b)


Option: 3

(c)


Option: 4

(d)


Answers (1)

best_answer

As we have learnt,

 

Curie-weiss curve -

\chi _{m}\propto \frac{1}{T-T_{c}}

- wherein

 

 Susceptiblity of a ferromagnetic substance fall with rise of temperrature \left[x = \frac{C}{T - T_C} \right ] and the substance becomes paramagnetic above curie temperature, so magnetic susceptiblity becomes very small above curie temperature.

 

Posted by

Rishabh

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