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  • Question

  • How long will it take the capacitor in the given circuit to discharge? 16.4 µs 32.8 µs 65.6 µs 82 µs

    How long will it take the capacitor in the given circuit to discharge?


  • Options
  • A. 16.4 µs
  • B. 32.8 µs
  • C. 65.6 µs
  • D. 82 µs

  • Correct Answer
  • 82 µs 

    • Time Response of Reactive Circuits problems

    Search Results

    • 1. If a periodic pulse waveform is applied to an RC differentiating circuit, which two conditions are possible?

    • Options
    • A. tw ≥ 5Τ or tw > 5Τ
    • B. tw = 5Τ or tw > 5Τ
    • C. tw ≤ 5Τ or tw < 5Τ
    • D. tw ≥ 5Τ or tw < 5Τ
      • Discuss
    • 2. 

      In the given circuit, what must the pulse width and time between pulses be to allow the capacitor to completely charge by the end of each pulse and to completely discharge between each pulse?


    • Options
    • A. 940 µs
    • B. 2.82 ms
    • C. 3.76 ms
    • D. 4.7 ms
      • Discuss
    • 3. 

      What voltage will the capacitor charge up to in the given circuit for the single input pulse shown?


    • Options
    • A. 3.15 V
    • B. 4.3 V
    • C. 4.75 V
    • D. 4.9 V
      • Discuss
    • 4. If the capacitor in an RC integrator shorts, the output

    • Options
    • A. is at ground
    • B. would measure the same as the input
    • C. would measure zero volts
    • D. None of the above
      • Discuss
    • 5. Which of the following is true for a capacitor?

    • Options
    • A. A capacitor acts like a short to instantaneous changes in current.
    • B. A capacitor's voltage cannot change instantaneously.
    • C. A capacitor acts like an open to dc.
    • D. All of the above
      • Discuss
    • 6. An RL integrator and an RC differentiator can act as what types of filters, respectively?

    • Options
    • A. low-pass, low-pass
    • B. low-pass, high-pass
    • C. high-pass, high-pass
    • D. high-pass, low-pass
      • Discuss
    • 7. 

      What has the voltage across the resistor decayed to by the end of the pulse in the given circuit?


    • Options
    • A. 0 V
    • B. 0.75 V
    • C. 5.55 V
    • D. 14.25 V
      • Discuss
    • 8. A triangular-wave oscillator can consist of an op-amp comparator, followed by a(n)

    • Options
    • A. differentiator
    • B. amplifier
    • C. integrator
    • D. multivibrator
      • Discuss
    • 9. A two-pole high-pass active filter would have a roll-off rate of

    • Options
    • A. 40 dB/decade
    • B. ?40 dB/decade
    • C. 20 dB/decade
    • D. ?20 dB/decade
      • Discuss
    • 10. Initially, the closed-loop gain (Acl) of a Wien-bridge oscillator should be

    • Options
    • A. Acl < 3
    • B. Acl > 3
    • C. 0
    • D. Acl ≅ 1
      • Discuss

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