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← ScienceWhich consequence results when the cut-off frequency for an operational amplifier is exceeded?
A)Increased power consumption
B)Unstable oscillations arise✓
C)Decreased transistor lifespan
D)Reduced bandwidth function
💡 Explanation
Exceeding the amplifier's cut-off frequency invokes instability because negative feedback becomes positive, which triggers unwanted oscillation, therefore oscillations increase instead of consumption or lifespan reduction; rather than bandwidth limiting alone without oscillation being the primary effect.
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