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← ScienceWhich outcome occurs when a transient surge exceeds a film capacitor's dielectric limit?
A)Dielectric breakdown causes short circuit✓
B)Inductance increases, limiting current
C)Equivalent series resistance decreases sharply
D)Capacitance value increases permanently
💡 Explanation
Dielectric breakdown generates a permanent short circuit because exceeding the design voltage creates an ionization path through the film; therefore the capacitor fails catastrophically rather than exhibiting increased inductance or increased capacitance under the surge.
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