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Op-Amp Gain and Practical Considerations
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In a negative feedback op-amp configuration, what is the primary reason for implementing feedback?

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A

To stabilize the gain and improve linearity

B

To increase the output voltage

C

To decrease the input current

D

To eliminate noise completely

Understanding the Answer

Let's break down why this is correct

Negative feedback reduces the difference between the desired output and the actual output. Other options are incorrect because Many think feedback boosts output voltage, but it actually limits it; Students may think feedback reduces input current, but it mainly controls voltage.

Key Concepts

Op-Amp Gain
Negative Feedback
Circuit Stability
Topic

Op-Amp Gain and Practical Considerations

Difficulty

easy level question

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understand

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Definition
Definition

While op-amps do not have infinite gain in practice, their high gain allows for reliable circuit design using negative feedback. Op-amp gain specifications vary between models, and practical op-amp circuits rely on predictable gain behavior.

Topic Definition

While op-amps do not have infinite gain in practice, their high gain allows for reliable circuit design using negative feedback. Op-amp gain specifications vary between models, and practical op-amp circuits rely on predictable gain behavior.

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