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← ScienceWhich consequence results when ferromagnetic transformer cores experience excessive alternating current?
A)Reduced hysteresis loop saturation
B)Increased magnetostrictive output
C)Elevated Foucault current generation✓
D)Suppressed Bloch wall mobility
💡 Explanation
Increased AC leads to rapid magnetic field reversals, causing increased eddy currents through electromagnetic induction. This results in elevated Foucault current generation because these currents dissipate energy as heat, therefore core temperature increases rather than reducing hysteresis.
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