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Which instability arises when ferromagnetic ordering strengthens excessively?

A)Magnetostriction induces mechanical stress
B)Curie temperature induces paramagnetism
C)Superconductivity suppresses domains
D)Anisotropic resistivity reduces efficiency

💡 Explanation

Magnetostriction, where lattice strain amplifies an existing magnetic moment, can result in mechanical stress if extreme ferromagnetic ordering occurs because domain walls shift anisotropically; therefore, magnetostriction becomes self-amplifying, rather than reverting to equilibrium or enhancing superconductivity.

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