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Home ‣ Electronics ‣ Capacitors Comments
  • Question

  • If a 5 V, 60 Hz voltage is applied to a 4.7 µF capacitor, the circuit current will be ______ .


  • Options
  • A. 0.886 mA
  • B. 8.86 mA
  • C. 8.86 µA
  • D. 88.6 µA

  • Correct Answer
  • 8.86 mA 

    • Capacitors problems

    Search Results

    • 1. A ___ capacitor allows ac signals to pass while blocking dc signals.

    • Options
    • A. filter
    • B. bypass
    • C. decoupling
    • D. coupling
      • Discuss
    • 2. The basic capacitor is made up of ___ that separates two conductive plates.

    • Options
    • A. a conductor
    • B. a spacer
    • C. a dielectric
    • D. an electrode
      • Discuss
    • 3. 

      The total circuit reactance is ______ in the given circuit.


    • Options
    • A. 50 Ω
    • B. 140 Ω
    • C. 265 Ω
    • D. 676 Ω
      • Discuss
    • 4. 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
    • 5. 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
    • 6. ___ capacitors have the highest values of capacitance.

    • Options
    • A. Electrolytic
    • B. Ceramic
    • C. Plastic-film
    • D. Mica
      • Discuss
    • 7. The resonant frequency fo is 19 kHz.


    • Options
    • A. True
    • B. False
      • Discuss
    • 8. When inductive and capacitive reactance are present in the same series circuit, the magnitude of the total reactance is equal to the sum of the magnitudes of the individual reactances.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The quality factor of a parallel circuit at resonance is VC/VS or VL/VS.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The less selective a filter is, the steeper the slope of its curves at the cutoff frequencies.

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

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