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← ScienceWhich risk increases when a ferromagnetic material approaches its Curie temperature during inductive heating?
A)Runaway thermal excitation occurs✓
B)Eddy current losses decrease minimally
C)Hysteresis losses become significant
D)Magnetic domain alignment strengthens
💡 Explanation
Runaway thermal excitation occurs because as the Curie temperature is approached, the material loses its ferromagnetic properties; this reduces the skin depth which then increases heat generation due to collapsing magnetic domains rather than saturation.
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