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Home ‣ Electrical Engineering ‣ Transformers Comments
  • Question

  • A transformer consists of two or more cores that are electrically coupled on a common core.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Transformers problems

    Search Results

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

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

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

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

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

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

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

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

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

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

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

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