Bac F2 Bénin Practice Questions - Baccalauréat Série F2 (Électronique) - Bénin Exam

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What is the closed-loop voltage gain Av = Vout / Vin for an ideal inverting operational amplifier circuit with input resistor R1 and feedback resistor Rf?

Av = 1 + (Rf / R1) Av = - (Rf / R1) Av = - (R1 / Rf) Av = Rf / (R1 + Rf)

Correct Answer:

Av = - (Rf / R1)

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