PPSCFPSCNTSPakistan govt jobs
- Subject
- Operational Amplifierelectrical-engineering-mcqs › operational-amplifier
- Published
- 23 Dec 2018
- Last updated
- 28 May 2026
Explanation
The common-mode voltage gain of a differential amplifier is calculated as RC divided by 2RE, where RE is the emitter resistance. This configuration helps in minimizing the common-mode gain, improving the amplifier's differential performance.
More Operational Amplifier MCQs
Practice related questions from the same subject.
- 1.An operational amplifier's output voltage rises by 8 volts over a period of 12 microseconds. What is the slew rate of the op-amp?
- 2.What effect does negative feedback have on a circuit's input impedance and bandwidth?
- 3.In a differential amplifier, the differential voltage gain is calculated as RC divided by which of the following?
- 4.How does the common-mode voltage gain compare to the differential voltage gain?
- 5.The input impedance of a differential amplifier is given by r’e multiplied by which of the following?
- 6.What is the approximate voltage at the node located at the top of the tail resistor?
- 7.What types of signals can an operational amplifier amplify?
- 8.What is the closed-loop voltage gain of a non-inverting amplifier with an input resistor (Ri) of 1 kΩ and a feedback resistor (Rf) of 100 kΩ?
More in Electrical Engineering Mcqs
- A.C. Fundamentals, Circuits and Circuit Theory
- Amplifiers with Negative Feedback
- Analog Electronics
- Basic Electrical Mcqs
- Cables
- Control Systems
- D.C. Generators
- D.C. Motors
- Digital Electronics
- Earthing or Grounding
- Economics of Power Generation
- Electric Traction
- Electrical Engineering Materials
- Electrical Machine Design
- Electrolysis and Storage of Batteries
- Electromagnetic Induction
- Electronic instruments
- Electrostatics
- Field Effect Transistors - FET
- Heating and Welding
- Hybrid Parameters
- Industrial Drives
- Magnetic Circuit
- Magnetism and Electromagnetism
- Measurement and Instrumentation
- Modulation and Demodulation
- Multi-Stage Transistor Amplifiers
- Network Theorems
- OP-AMP Circuits
- Oscillators
- Parallel Circuits
- Passive Filters
- Polyphase Induction Motors
- Power Electronics
- Power Generation
- Rectifiers and Converters
- Regulated D.C. Power Supply
- SCR (Silicon Controlled Rectifiers)
- Semiconductor Diode
- Semiconductor Theory
- Series-parallel Circuits
- Single Phase Induction Motors
- Single Stage Transistor Amplifiers
- Solid-State Switching Circuits
- Switchgear and Protection
- Synchronous Motors
- TRANSISTORS
- Transformers
- Transistor Audio Power Amplifiers
- Transistor Biasing
- Transistor Tuned Amplifiers
- Transmission and Distribution
- integrated Circuits