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← ScienceWhich failure occurs when rapid capacitor discharge overheats polymer film?
A)Dielectric arcing causes cascading short✓
B)Magnetic saturation reduces energy storage
C)Electrolyte evaporation lowers capacitance slowly
D)Self-inductance causes resonant frequency shifts
💡 Explanation
Dielectric breakdown results because rapid discharge leads to localized heating beyond the polymer's thermal limit. This surge causes dielectric arcing leading to a short, rather than capacitance gradually drifting, which happens during normal degradation,
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