Question

Temperature above which a ferromagnetic substance becomes paramagnetic
called
a) Critical temperature
b) Boyle's temperature
c) Debye's temperature
d) Curie temperature
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Answer 1

Temperature above which a ferromagnetic substance becomes paramagnetic is called Curie temperature.

Answer 2

Explanation:

Curie temperature

The temperature above which a ferromagnetic substance becomes paramagnetic is called Curie temperature