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Home ‣ Electronics ‣ Capacitors Comments
  • Question

  • A capacitor takes ___ time constants to charge to 95% of its capacity.


  • Options
  • A. 2
  • B. 3
  • C. 4
  • D. 5

  • Correct Answer
  • 3 

    • Tags: Bank Exams, Bank PO

    Capacitors problems

    Search Results

    • 1. 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
    • 2. A discharged capacitor has ______ charges on its plates.

    • Options
    • A. no
    • B. unequal
    • C. equal
    • D. negative
      • Discuss
    • 3. 

      The reactance of C2 is _____ in the given circuit.


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

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. 

      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
    • 6. The term ______ is derived from a mathematical function in calculus.

    • Options
    • A. differentiator
    • B. integrator
    • C. filter
    • D. voltage-divider
      • Discuss
    • 7. 

      The given image is a _____ capacitor.


    • Options
    • A. 0.33 pF
    • B. 0.00033 µF
    • C. 33,000 pF
    • D. 0.33 µF
      • Discuss
    • 8. 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
    • 9. A circuit whose output voltage is proportional to the rate of change of the input voltage is called a(n) ______ .

    • Options
    • A. differentiator
    • B. integrator
    • C. curve averager
    • D. mixer
      • Discuss
    • 10. The ___ of a capacitor affects the time it takes to charge and discharge.

    • Options
    • A. package style
    • B. lead arrangement
    • C. plate area
    • D. voltage rating
      • Discuss

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