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← ScienceWhich mechanism governs induced current fading in transmission lines?
A)Skin effect limits current propagation✓
B)Dielectric breakdown raises impedance
C)Corona discharge accelerates material degradation
D)Ferrite core saturation exceeds tolerance
💡 Explanation
The skin effect dictates that AC current concentrates near the conductor's surface, raising effective resistance as frequency increases, because that effect reduces the available cross-sectional area; therefore, current propagation diminishes alongside, rather than other failure modes affecting insulation.
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