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Home ‣ Electrical Engineering ‣ Capacitors Comments
  • Question

  • The true power in a capacitor is zero.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Capacitors problems

    Search Results

    • 1. A capacitor blocks ac but passes dc.

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

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. The ohm is the unit of capacitance.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. Total parallel capacitance is less than that of the smallest capacitor in parallel.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The dielectric constant is the ability of a material to establish an electric field.

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

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

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

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

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

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

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