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← ScienceWhich risk increases when exceeding materials curie temperature?
A)Permanent loss of magnetism✓
B)Increase in electrical conductivity
C)Material phase transformation occurs
D)Enhanced thermal energy radiation
💡 Explanation
Exceeding the Curie temperature disrupts ferromagnetic alignment. Because thermal energy overcomes exchange interactions, causing disordered magnetic domains via the Curie-Weiss Law. Therefore, spontaneous magnetization is reduced rather than other electromagnetic changes.
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