Exam-style question
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In a non‑inverting amplifier, which of the following statements about the output relative to the input is true?.
- A.Output is inverted relative to input
- B.Output is in phase with input
- C.Output is half the input voltage
- D.Output is double the input voltage
Model answer
What a good answer should say
- Output is in phase with input
Explanation
Why this works
Formula/rule: A non‑inverting amplifier produces an output that is in phase with the input. Substitution: The output is in phase with the input.
Working: This matches the property of a non‑inverting amplifier. Answer: Output is in phase with input.
Units/conclusion: The circuit is a non‑inverting amplifier.
Common mistake
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