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Home Electronics Capacitors Comments

  • Question
  • Capacitors in parallel have a higher total value than any individual capacitor.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • Capacitors problems


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    • 1. The opposition to ac from a capacitor is called reluctance.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. A capacitor can be fully charged in 4 time constants.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. A capacitor stores electric energy in the form of an electric field.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. When a capacitor is charging, current will flow through its dielectric.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. Capacitors are often used as filters.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. In a series capacitive circuit the smallest capacitor will have the largest voltage drop across it.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. The impedance of an RC series circuit is (R2 +C2)1/2.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. The true power in an RC series circuit is PR = I2 x R.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. The unit of capacitance is a farad; one farad stores one coulomb of charge or 6.24 x 1018 electrons.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. The phase angle of an RC series circuit is = invtan (XC/R) = invtan (VC/VR).

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


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