logo

CuriousTab

CuriousTab

Discussion

Home ‣ Electronics ‣ Inductors Comments
  • Question

  • A magnet consisting of a coil of wire wound around a soft iron or steel core is called an electromagnet.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Inductors problems

    Search Results

    • 1. Increasing the inductance value in an ac inductive circuit will lower the circuit current.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. A magnetic field results whenever a current flows through a conductor.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. An ac generator will produce a constant waveform.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. Faraday's law states that the polarity of induced voltage in a coil is in opposition to the current change through that coil.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The output of the secondary winding is 15 V.


    • Options
    • A. True
    • B. False
      • Discuss
    • 6. An ideal inductor would not dissipate any energy.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. 

      All the schematic symbols shown in the given figure are variable inductors.


    • Options
    • A. True
    • B. False
      • Discuss
    • 8. A step-up transformer will have a turns ratio greater than 1.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The quality factor of an inductor is the ratio of inductive reactance to the winding resistance of the coil.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. An inductor will boost current flow.

    • 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.