Exam-style question
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Which of the following is NOT an ideal assumption of an operational amplifier?.
- A.Infinite input impedance
- B.Zero output impedance
- C.Infinite bandwidth
- D.Finite gain
Model answer
What a good answer should say
- Finite gain
Explanation
Why this works
An ideal operational amplifier is assumed to have infinite gain, not finite gain, which distinguishes it from real-world operational amplifiers that have limitations.
Common mistake
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