Physics · Analog Electronics
In an inverting operational amplifier circuit, the input resistor connected to the inverting terminal is R1. The feedback path consists of two resistors R2 and R3 connected in parallel. What is the ideal voltage gain of this amplifier?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1-(R2 / R1)
- 2-(R3 / R2)
- 3-(R2 || R3) / R1✓
- 4-(R2 + R3) / R1
Correct answer
-(R2 || R3) / R1
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