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← ScienceWhich outcome occurs when a parallel-plate capacitor is charged beyond its dielectric strength?
A)Capacitance value permanently decreases
B)Stored charge dissipates through dielectric breakdown✓
C)Equivalent series resistance decreases sharply
D)Self-resonant frequency shifts upward significantly
💡 Explanation
When voltage across a capacitor exceeds its dielectric strength, dielectric breakdown occurs because the electric field ionizes the dielectric material creating a conductive path, dissipating stored charge. Therefore, stored charge dissipates through dielectric breakdown, rather than capacitance decreasing, resistance decreasing, or resonant frequency shifting, each requiring different failure mechanisms.
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