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The variation of magnetic susceptibility...

The variation of magnetic susceptibility `(chi)` with absolute temperature `T` for a ferromagnetic material is

A

B

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D

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The correct Answer is:
A
Susceptibility of a ferromagnetic substance falls with rise of temperature `(chi=c/(T-T_(c))) and the substance becomes paramagnetic above Curie temperature, so magnetic susceptibility becomes very small above Curie temperature.
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