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Analog Electronics
Semiconductor Physics
Energy Band TheoryIntrinsic SemiconductorsExtrinsic Semiconductors N-TypeExtrinsic Semiconductors P-TypeCarrier ConcentrationDrift CurrentDiffusion CurrentEinstein RelationHall EffectContinuity Equation
Diodes & Applications
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Filters
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Power Electronics Basics
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Digital ElectronicsSignals & SystemsControl SystemsElectromagnetic TheoryDigital CommunicationAnalog CommunicationNetwork AnalysisMicroprocessorsVLSI DesignVerilog HDLPower ElectronicsEmbedded SystemsDSPElectronic Devices
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3 of 18 articles

Inverting Amplifier

Gain = -Rf/Ri, virtual ground, input impedance = Ri.

Darshan N
Updated: 19 March 2026
8 min read

Inverting Amplifier Circuit

Test your ability to analyze inverting op-amp circuits using virtual ground and gain equations.

Question 1 of 3

Q1.An inverting amplifier has Ri = 10 kOhm and Rf = 100 kOhm. For Vin = 0.5 V, what is Vout?

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Op-Amp Practical Parameters
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Non-Inverting Amplifier