PPSCFPSCNTSPakistan govt jobs
- Subject
- Oscillatorselectrical-engineering-mcqs › oscillators
- Published
- 19 Dec 2018
- Last updated
- 28 May 2026
Explanation
The oscillation frequency of an LC circuit is inversely proportional to the square root of the inductance (f = 1 / (2π√(LC))). Increasing the inductance by four times results in the frequency decreasing by a factor of √4, which is 2. Therefore, the frequency is halved.
More Oscillators MCQs
Practice related questions from the same subject.
- 1.What type of oscillations does an ideal oscillator generate?
- 2.When the frequency of a crystal varies as the temperature changes, what type of temperature coefficient does the crystal exhibit?
- 3.Which type of frequency is unsuitable for generation using an LC oscillator?
- 4.In an LC transistor oscillator, which component acts as the active device?
- 5.What type of feedback is used in an oscillator circuit?
- 6.How many RC sections are typically employed in a phase shift oscillator circuit?
- 7.In which device is a crystal oscillator most commonly utilized?
- 8.An oscillator has an amplifier gain (Av) of 50. What should be the attenuation factor of the feedback network?
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
- Operational Amplifier
- 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