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Question & Answer
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The output voltage decreases to stabilize the input difference
The output voltage increases linearly with the input voltage
The output voltage remains constant regardless of input changes
The output voltage oscillates between high and low values
Understanding the Answer
Let's break down why this is correct
Negative feedback tells the op‑amp to move its output so that the difference between its two input pins stays at zero. Other options are incorrect because The misconception here is that the output simply follows the input; Some think the output stays fixed because the feedback is always on.
Key Concepts
Operational Amplifiers Basics
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Deep Dive: Operational Amplifiers Basics
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Definition
Operational amplifiers (op-amps) are devices that amplify the difference between their two inputs by a large gain factor. They have five terminals, including power supply terminals, inverting and non-inverting inputs, and an output terminal.
Topic Definition
Operational amplifiers (op-amps) are devices that amplify the difference between their two inputs by a large gain factor. They have five terminals, including power supply terminals, inverting and non-inverting inputs, and an output terminal.
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