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← ScienceWhich failure mode results when exceeding capacitor ESR limits?
A)Dielectric material flashover
B)Thermal runaway instability✓
C)Electrode migration dendrites
D)Quantum tunneling leakage
💡 Explanation
Exceeding capacitor ESR limits leads to excessive heat generation by Ohmic heating; this heat increases ESR further, triggering thermal runaway instability because temperature impacts resistance rather than direct breakdown. Therefore, unchecked heat causes exponential increase, rather than dielectric flashover alone.
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