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Which outcome occurs when high-frequency transient overvoltage exceeds the dielectric strength of a ceramic capacitor within a medical defibrillator?

A)Capacitor terminal vaporisation
B)Decreased equivalent series resistance
C)Reversible energy storage increase
D)Improved temperature coefficient stability

💡 Explanation

Capacitor terminal vaporisation occurs when dielectric breakdown results because the electric field exceeds the capacitor's voltage rating. The increased current path creates intense localised heating, therefore, material vapourizes, rather than improvements to resistance or stability which demand stable oxide layers.

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