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Which outcome occurs at the Curie temperature in iron?

A)Loss of spontaneous net magnetization
B)Increased electrical conductivity occurs
C)Crystal lattice structure transformation occurs
D)Ferromagnetic domains align perfectly

💡 Explanation

Loss of net magnetization occurs because thermal energy overcomes the favourability of aligned magnetic moments. Therefore iron transitions from ferromagnetic to paramagnetic, rather than changing conductivity or retaining perfect domain alignment.

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