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Home ‣ Electronics ‣ Capacitors Comments
  • Question

  • A discharged capacitor has ______ charges on its plates.


  • Options
  • A. no
  • B. unequal
  • C. equal
  • D. negative

  • Correct Answer
  • equal 

    • Capacitors problems

    Search Results

    • 1. 

      The reactance of C2 is _____ in the given circuit.


    • Options
    • A. 66 Ω
    • B. 80 Ω
    • C. 199 Ω
    • D. 398 Ω
      • Discuss
    • 2. A capacitor is charged when one of its plates has more electrons than the other plate.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. 

      In the given circuit, the voltage across the capacitor 1 ms after the switch is closed is 11.61 V.


    • Options
    • A. True
    • B. False
      • Discuss
    • 4. A 10 µF capacitor will have more capacitive reactance than a 20 µF capacitor in a 60 Hz circuit.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The greater the distance between the plates of a capacitor, the smaller the capacitance value.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. The rate of charge or discharge of a capacitor is based on ___ function.

    • Options
    • A. an exponential
    • B. a linear
    • C. a parabolic
    • D. a trigonometric
      • Discuss
    • 7. A capacitor takes ___ time constants to charge to 95% of its capacity.

    • Options
    • A. 2
    • B. 3
    • C. 4
    • D. 5
      • Discuss
    • 8. The term ______ is derived from a mathematical function in calculus.

    • Options
    • A. differentiator
    • B. integrator
    • C. filter
    • D. voltage-divider
      • Discuss
    • 9. 

      The given image is a _____ capacitor.


    • Options
    • A. 0.33 pF
    • B. 0.00033 µF
    • C. 33,000 pF
    • D. 0.33 µF
      • Discuss
    • 10. The ______ the area of the plates, the greater the number of electrons and ______ that can be stored.

    • Options
    • A. larger, charge
    • B. smaller, charge
    • C. larger, polarity
    • D. smaller, polarity
      • Discuss

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