Curie Tempearture is the temperature at which certain materials lose their permanent magnetic properties, to be replaced by induced magnetism. In other words, it is the temperature above which a ferromagnetic material becomes paramagnetic.
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Similar Questions
Q1
The property of diamagnetism is said to be present in all materials. Then, why are some materials paramagnetic or ferromagnetic?
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Q2
The permanent magnetic moment of the atoms of a material is zero. The material
(a) must be paramagnetic
(b) must be diamagnetic
(c) must be ferromagnetic
(d) may be paramagnetic
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Q3
The magnetic susceptibility is negative for
(a) paramagnetic materials only
(b) diamagnetic materials only
(c) ferromagnetic materials only
(d) paramagnetic and ferromagnetic materials
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Q4
Assertion :At high temperature, a ferromagnet becomes a paramagnet. Reason: The ferromagnetic property depends on temperature.
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Q5
Assertion :Above Curie temperature, a ferromagnetic material becomes paramagnetic. Reason: When a magnetic material is heated to very high temperature, it loses its magnetic properties.