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← ScienceWhich outcome occurs when a strained piezoelectric crystal is mechanically vibrated near its resonant frequency?
A)Electrical energy harvests maximal voltage✓
B)Crystal fractures due to plastic deformation
C)Dielectric breakdown exceeds voltage limit
D)Crystal maintains fixed charge displacement
💡 Explanation
Electrical energy harvests maximal voltage because at resonance, the crystal vibrations greatly amplify the piezoelectric effect. The **piezoelectric effect** directly converts mechanical vibration to an electric potential; therefore voltage maximizes, rather than fracturing because stress doesn't exceed materials' limits.
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