First slide

Magnetic properites of materials.

Question

Curie temperature is the temperature above which

Easy

A

a paramagnetic material becomes ferromagnetic
B

a ferromagnetic material becomes paramagnetic
C

a paramagnetic material becomes diamagnet
D

a ferromagnetic material becomes diamagnet

Solution

magnetic moment of a ferro magnetic material is inversely propotional to temperature above the curie temperature it converts in to paramagnetic.

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