logo

CuriousTab

CuriousTab

Discussion

Home ‣ Electrical Engineering ‣ Transformers Comments
  • Question

  • A transformer responds only to dc.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Transformers problems

    Search Results

    • 1. A reflective load is a load as it appears to the source in the primary of a transformer.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. An autotransformer is one in which the primary and secondary are automatically coupled.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. A transformer consists of two or more cores that are electrically coupled on a common core.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. Five time constants are required for a capacitor to charge fully or discharge fully.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. XC is inversely proportional to frequency and capacitance.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. A transformer changes ac to dc.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. A step-up transformer steps up power.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. The primary is the winding connected to the source, and the secondary is the winding connected to the load.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. A center tap (CT) is a connection at the midpoint of the secondary winding of a transformer.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. If the voltage is stepped up, the current is stepped down, and vice versa.

    • 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.