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← ScienceWhich failure mechanism accelerates when a capacitor operates above its rated temperature?
A)Electrolyte leakage causes capacitance reduction
B)Dielectric breakdown initiates thermal runaway✓
C)Plate corrosion causes ESR escalation
D)Lead detachment causes inductance increase
💡 Explanation
Dielectric breakdown leads to a conductive path, causing a short circuit and increased current flow via thermal runaway, ultimately destroying the capacitor, because this greatly increases joule heating; rather than the electrolyte leaking, which reduces performance gradually.
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