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← ScienceWhich outcome occurs when a Class 2 ceramic capacitor experiences reverse polarity beyond its rated voltage?
A)Parametric shift due to domain reorientation✓
B)Electrolyte boiling results in case rupture
C)Dielectric breakdown causes short circuit
D)Increased ESR due to electrode oxidation
💡 Explanation
When reversed polarity beyond the rating occurs, the piezoelectric effect in Class 2 ceramics causes ferro domains to reorient influencing capacitance and dissipation significantly. Therefore parametric shift results, rather than short circuit, explosion, or oxidation which dominate with tantalum or electrolytic capacitors and breakdown voltage exceedance.
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