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Determine the voltage gain for the given circuit known that R1 = R3 = 10kΩ abd R2 = R4 = 100kΩ.

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Determine the voltage gain for the given circuit known that R1 = R3 = 10kΩ abd R2 = R4 = 100kΩ.

(a) 1

(b) 10

(c) 100

(d) 1000

This question was posed to me in semester exam.

The doubt is from Difference Amplifiers in section Operational Amplifiers of Electronic Devices & Circuits

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The correct option is (b) 10

Explanation: Voltage gain is 100/10.

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