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Question & Answer
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The output will become unstable, leading to distortion in the audio signal.
The input impedance will decrease, which may cause the microphone to pick up more unwanted noise.
The gain of the amplifier will be reduced but the linearity and stability of the output will improve.
The circuit will only respond to high-frequency signals, ignoring lower frequencies.
Understanding the Answer
Let's break down why this is correct
When negative feedback is added, a small part of the output is returned to the input. Other options are incorrect because Some think feedback makes a circuit unstable; The idea that feedback reduces input impedance is a misconception.
Key Concepts
Negative Feedback in Op-Amps
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Deep Dive: Negative Feedback in Op-Amps
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Definition
Negative feedback in op-amps involves connecting the output back to the input to achieve self-correction. In negative feedback, the ideal op-amp forces the inverting and non-inverting inputs to be equal, maintaining stability and precise control.
Topic Definition
Negative feedback in op-amps involves connecting the output back to the input to achieve self-correction. In negative feedback, the ideal op-amp forces the inverting and non-inverting inputs to be equal, maintaining stability and precise control.
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