Physics · Operational Amplifiers
Why does the virtual ground concept simplify circuit analysis in an op-amp based inverting amplifier?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It eliminates the need for feedback resistors.
- 2It allows the assumption that the inverting input is at ground potential, simplifying the application of Kirchhoff's laws.✓
- 3It ensures the output is always zero volts.
- 4It reduces the complexity of the op-amp's internal circuitry.
Correct answer
It allows the assumption that the inverting input is at ground potential, simplifying the application of Kirchhoff's laws.
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