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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

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Text Solution

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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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