What is the minimum number of operational amplifiers needed to realize the equation Vo = V1?

OP-AMP Circuits MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
OP-AMP Circuitselectrical-engineering-mcqs › op-amp-circuits
Published
17 Dec 2018
Last updated
28 May 2026

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Explanation

Since the output voltage Vo is equal to the input voltage V1 without any modification, only a single operational amplifier is necessary to implement this function.

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