Which outcome occurs when applying a high-frequency AC voltage across a piezoelectric ceramic capacitor?

💡 Explanation

When a high-frequency AC voltage is applied, the converse piezoelectric effect causes the ceramic material to rapidly expand and contract. This excitation can induce mechanical resonance because the frequency matches a vibrational mode, leading to mechanical resonance vibration. Therefore mechanical resonance results rather than dielectric breakdown or charge accumulation, because those require static high voltage accumulation.

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