logo

CuriousTab

CuriousTab

Discussion

Home ‣ Electrical Engineering ‣ Magnetism and Electromagnetism Comments
  • Question

  • If a conductor is moved back and forth at a constant rate in a constant magnetic field, the voltage in the conductor will reverse polarity.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Magnetism and Electromagnetism problems

    Search Results

    • 1. A relay is an electromagnetically controlled mechanical device in which electrical contacts are opened or closed by a magnetizing current.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. The Thevenin equivalent voltage (VTH) is the short-circuit voltage between two terminals in a circuit.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. A practical current source has a finite internal resistance.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. An ideal voltage source has zero internal resistance.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. An ideal current source has zero internal resistance.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. Ampere-turn is the unit of magnetomotive force (mmf).

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The tesla is the unit of magnetic flux.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Materials with a low retentivity do not retain a magnetic field very well.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. Hysteresis is the number of lines of force per unit area in a magnetic field.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. Lenz's law defines the polarity of the induced voltage.

    • Options
    • A. True
    • B. False
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.