Advanced Higher Engineering Science Practice Questions - Advanced Higher Engineering Science (Qualifications Scotland SCQF Level 7) Exam

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An inverting summing operational amplifier has Rf = 20 kΩ. Input 1 has V1 = 1.0 V through R1 = 10 kΩ, and Input 2 has V2 = 0.5 V through R2 = 5 kΩ. What is Vout?

+4.0 V -3.0 V -4.0 V -2.0 V

Correct Answer:

-4.0 V

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