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← ScienceWhich outcome occurs when a voltage-biased piezoelectric crystal experiences resonance?
A)Maximum acoustic wave amplitude✓
B)Minimum electrical power dissipation
C)Stable equilibrium thermodynamic state
D)Reduced piezoelectric charge coefficient
💡 Explanation
Maximum acoustic wave amplitude results because the piezoelectric effect converts electrical energy to mechanical energy at resonance. Therefore, increased mechanical oscillation occurs, rather than damping, because external driving matches the material's natural frequency.
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