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# What is the gain of the Inverting Voltage Amplifier below?

a. -5700

b. +5700

c. -570

d. +570

### 4 Answers

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- oldschoolLv 77 months agoFavorite Answer
Vout/57MΩ = -Vin/100kΩ so Vout/Vin = 57e6/1e5 = -570

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- mark_pocLv 67 months ago
D. The ratio of the 100k and 57M resistors is 570. So if V1 was 1mv then Vout would be 570mv. This is an inverting amplifier so the output would be 180 degrees inverted from the input.

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