Solved: PHYSICS Question for NEET

NEET PHYSICSEasy

Curie temperature is the temperature above which:

Ferromagnetic material becomes paramagnetic material.

Paramagnetic material becomes diamagnetic material.

Paramagnetic material becomes ferromagnetic material.

Ferromagnetic material becomes diamagnetic material.

Temperature Dependence: The magnetic properties of materials, particularly ferromagnetism, depend on temperature. In ferromagnetic materials, magnetic dipoles are aligned in domains.
Curie Temperature ( $T_c$ ): As the temperature increases, thermal agitation competes with the domain alignment. At a specific transition temperature known as the Curie temperature, the domain structure disintegrates.
Transition: Above the Curie temperature, the ferromagnetic material loses its spontaneous magnetization and transforms into a paramagnetic material. The susceptibility drops and follows the Curie-Weiss law .

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