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Question & Answer
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Op-amps can have infinite gain in ideal conditions.
Negative feedback can stabilize the gain of an op-amp circuit.
The gain of an op-amp is consistent across all models.
Practical op-amps have high but finite gain.
Op-amps output the sum of their inputs.
Understanding the Answer
Let's break down why this is correct
Negative feedback pulls the output back so the circuit behaves predictably. Other options are incorrect because People think ideal op-amps always have infinite gain, but real op-amps never reach infinity; Someone might think every op-amp model has the same gain, but models differ.
Key Concepts
Op-Amp Gain and Practical Considerations
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Deep Dive: Op-Amp Gain and Practical Considerations
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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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