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Negative Feedback in Op-Amps
easy

When an operational amplifier (op-amp) is configured with negative feedback, what is the primary effect observed at the output?

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A

The output voltage becomes equal to the input voltage

B

The output stabilizes to a specific value determined by the feedback network

C

The gain of the op-amp increases significantly

D

The op-amp enters saturation mode

Understanding the Answer

Let's break down why this is correct

When negative feedback is used, a fraction of the output is sent back to the input. Other options are incorrect because Some think the output just equals the input, but that ignores the feedback loop; Negative feedback actually reduces the effective gain, not increases it.

Key Concepts

Negative Feedback in Op-Amps
Stability in Control Systems
Op-Amp Gain
Topic

Negative Feedback in Op-Amps

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easy level question

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Definition
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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