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Question

Curie-Weiss law is obeyed by iron :

A
at Curie temperature only.
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B
at all temperatures.
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C
below Curie temperature.
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D
above Curie temperature.
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Solution

The correct option is D above Curie temperature.
Curie-Weiss law is the study of ferromagnetic material in the paramagnetic region, i.e. T>TC
In this region, χ1TTC

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