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← ScienceWithin a high-voltage transmission line array's shield ring, which risk increases during intense oscillating electromagnetic field activity?
A)Reduced corona discharge effectiveness occurs
B)Ferrite core saturation propagation increases✓
C)Faster skin effect current confinement
D)Increased thermoelectric induction efficiency
💡 Explanation
Ferrite core saturation leads to increased impedance, because as field intensity oscillates, magnetic domain switching exceeds the ferrite's response time. Therefore HF magnetic flux leakage occurs leading increased saturation propagation rather than the reduction of corona discharge at steady states.
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