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← ScienceWhich risk increases when a cable's dielectric fails?
A)Electrostatic discharge creates thermal runaway✓
B)Increased transmission line characteristic impedance
C)Resonant inductive energy field collapse
D)Excessive longitudinal magnetostrictive propagation
💡 Explanation
Dielectric breakdown causes localized high currents because Electron Avalanche causes rapid charge multiplication generates heat within the insulator, creating progressive destruction. This outcome, rather than altered impedance, develops with immediate conductive pathways, causing destructive currents.
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