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Negative Feedback in Op-Amps
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Which of the following is a common application of negative feedback in operational amplifiers (op-amps)?

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A

Voltage follower

B

Oscillator circuit

C

Signal generator

D

Digital circuit

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The buffer amplifier uses negative feedback so that the output follows the input exactly. Other options are incorrect because A circuit that keeps a signal running needs positive feedback, not negative; Creating a new signal requires an energy source, not just copying an existing one.

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Negative Feedback in Op-Amps

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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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