PPSCFPSCNTSPakistan govt jobs
- Subject
- Electromagnetic Inductionelectrical-engineering-mcqs › electromagnetic-induction
- Published
- 16 Dec 2018
- Last updated
- 28 May 2026
Explanation
A crack in the magnetic core disrupts the magnetic flux path, which lowers the inductance value instead of keeping it unchanged or increasing it.
More Electromagnetic Induction MCQs
Practice related questions from the same subject.
- 1.Can the left-hand generator rule be used to identify the polarity of an induced voltage?
- 2.Will changing the direction of either the magnetic field or the current reverse the force acting on a conductor?
- 3.Is the self-inductance of a coil defined as the electromotive force (in volts) induced when the current changes at a rate of one Weber-turn per second?
- 4.Which component in a circuit resists changes in the current flow?
- 5.A coil is wrapped around an iron core carrying a current I. Which factor does NOT influence the self-induced voltage in the coil?
- 6.The coupling coefficient between two air-core inductors is determined by which of the following?
- 7.If the current in a coil increases from 8 A to 12 A within one second and induces an emf of 20 volts, what is the inductance of the coil?
- 8.A coil generates an induced voltage of 350 mV when the current varies at a rate of 1 A/s. What is the inductance of the coil?
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
- 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
- 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