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What is curie temperature ? What happen...

What is curie temperature ? What happens above Curie temperature ?

A

A ferromagnetic substance becomes paramages

B

A paramagnetic substance becomes diumagic

C

A diamagnetic substance becomes paramagnet

D

A paramagnetic substance becomes ferromagnetic

Text Solution

Verified by Experts

The correct Answer is:
A
Above Curie Temperature, ferromagnetic substance becomes paramagnetic

Ferromagnetic
`chi_(m) prop 1/(T-T_( C))`
`chi_(m) prop 1/T`
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