Question

The variation of magnetic susceptibility $\left(\chi \right)$ with absolute temperature T

• A.
  
• B.
  
• C.
  
• D.
  

Answer 1

The correct option is A


Susceptibility of a ferromagnetic substance falls with rise of temperature $\left(\chi =\frac{c}{T-T_c}\right)$ and the substance becomes paramagnetic above Curie temperature, so magnetic susceptibility becomes very small above Curie temperature.