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Home ‣ Electrical Engineering ‣ Capacitors Comments
  • Question

  • A capacitor blocks ac but passes dc.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Capacitors problems

    Search Results

    • 1. Capacitance is directly proportional to plate area and plate separation.

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

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

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

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    • A. True
    • B. False
      • Discuss
    • 5. Voltage leads current by 90° in a capacitor.

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

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

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

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

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

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    • A. True
    • B. False
      • Discuss

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