Exam-style question
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Explain how negative feedback affects the performance of an ideal operational amplifier in a circuit.
Model answer
What a good answer should say
- Negative feedback improves the linearity and bandwidth of the operational amplifier.
- It minimizes distortion and allows the amplifier to respond more accurately to input signals, ensuring that the output closely follows the input.
Explanation
Why this works
This answer is strong as it highlights the benefits of negative feedback, such as improved linearity and reduced distortion, which are critical for the effective functioning of op-amps in various applications. The question assesses the application of theoretical knowledge in practical scenarios.
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