logo

CuriousTab

CuriousTab

Discussion


Home Electrical Engineering Capacitors Comments

  • Question
  • Five time constants are required for a capacitor to charge fully or discharge fully.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • Capacitors problems


    Search Results


    • 1. XC is inversely proportional to frequency and capacitance.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. Energy is stored by a capacitor in a magnetic field.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. The true power in a capacitor is zero.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. A capacitor blocks ac but passes dc.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. Capacitance is directly proportional to plate area and plate separation.

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

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

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. A reflective load is a load as it appears to the source in the primary of a transformer.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. A transformer responds only to dc.

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

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


    Comments

    There are no comments.

Enter a new Comment