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Which outcome results when an operational amplifier driving a piezoelectric actuator receives frequencies exceeding its slew rate limit?

A)Increased actuator signal distortion
B)Optimal resonance frequency tracking
C)Enhanced energy conversion efficiency
D)Improved electromagnetic interference shielding

💡 Explanation

Increased signal distortion results because of slew rate limiting. The amplifier struggles to produce fast voltage changes, therefore the output signal is clipped, and distortion increases rather than cleanly amplifying higher frequency signals or achieving any performance enhancement under ideal actuator control conditions.

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