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← ScienceWhich failure occurs when rapid capacitor discharge exceeds design limits?
A)Dielectric breakdown and current runaway✓
B)Increased equivalent series resistance (ESR)
C)Electrolyte boiling and thermal expansion
D)Self-resonance frequency shifting upward
💡 Explanation
Rapid discharge induces high electric fields; exceeding the dielectric strength causes dielectric breakdown, because electrons accelerate and trigger a chain reaction; therefore current runaway occurs, rather than stable high current as electrolyte would increase ESR and alter resonance.
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