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Which risk increases when a strong external magnetic field opposes a ferromagnet's existing magnetic domains?

A)Hysteresis loop energy dissipation increase
B)Curie temperature limit reduction
C)Spontaneous magnetization domain growth
D)Bloch wall permeability stabilization

💡 Explanation

Increased energy dissipation emerges from domain wall motion caused by the reversing field attempting to re-align the atomic dipoles via the Landau-Lifshitz damping mechanism; therefore hysteresis losses increase during each cycle rather than stabilizing or decreasing. Therefore, Curie temperature nor Bloch wall permeability apply here.

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