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Home Electrical Engineering Capacitors Comments

  • Question
  • Voltage leads current by 90° in a capacitor.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 


  • Capacitors problems


    Search Results


    • 1. Electromagnetic induction is the force that produces a magnetic field.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. Reluctance in a magnetic circuit is analogous to current in an electrical circuit.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. A magnetic field is made up of flux lines.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. Lenz's law defines the polarity of the induced voltage.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. Hysteresis is the number of lines of force per unit area in a magnetic field.

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

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

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

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

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

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


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