logo

CuriousTab

CuriousTab

Time Response of Reactive Circuits problems


  • 1. In an RC differentiator, responding to repetitive pulses, the average value of the output

  • Options
  • A. is zero
  • B. is equal to the input voltage
  • C. is 63 percent of the input voltage
  • D. cannot be determined
  • Discuss
  • 2. If a periodic pulse waveform has a pulse width and the time between pulses each equal to or greater than five time constants, the capacitor will

  • Options
  • A. partially charge and fully discharge during each period of the input waveform
  • B. fully charge and partially discharge during each period of the input waveform
  • C. fully charge and fully discharge during each period of the input waveform
  • D. partially charge and partially discharge during each period of the input waveform
  • Discuss
  • 3. What is the highest frequency contained in a pulse that has a rise and fall time equal to 10 microseconds (10 µs)?

  • Options
  • A. 35 kHz
  • B. 3.5 kHz
  • C. 10 kHz
  • D. 100 kHz
  • Discuss
  • 4. Referring to Problem 7, how much will the capacitor charge if the pulse width is increased to 12 ms?

  • Options
  • A. 2.51 V
  • B. 25.14 V
  • C. 4.86 V
  • D. 12.76 V
  • Discuss
  • 5. With an RL integrator, at the instant of the rising pulse edge,

  • Options
  • A. all the input voltage is across the resistor
  • B. all the input voltage is across the inductor
  • C. 63 percent of the input voltage is across the resistor
  • D. 63 percent of the input voltage is across the inductor
  • Discuss
  • 6. If the capacitor in an integrator becomes leaky,

  • Options
  • A. the time constant will be effectively reduced
  • B. the waveshape of the output voltage across C is altered
  • C. the amplitude of the output is reduced
  • D. all of the above
  • Discuss
  • 7. Referring this circuit, determine the maximum output voltage when a single pulse is applied as shown. The total resistance is 60 Ω.

    Electrical Engineering Time Response of Reactive Circuits: Referring this circuit, determine the maximum output voltage when a single pulse is applied as shown

  • Options
  • A. 2.73 V
  • B. 27.33 V
  • C. 30 V
  • D. 2.67 V
  • Discuss
  • 8. If the RC time constant of an integrator is increased, as the time constant is increased

  • Options
  • A. the capacitor charges more during a pulse and discharges less between pulses
  • B. the capacitor charges less during a pulse and discharges more between pulses
  • C. the capacitor charges more during a pulse and discharges more between pulses
  • D. the capacitor charges less during a pulse and discharges less between pulses
  • Discuss
  • 9. In an RC differentiator, the capacitor

  • Options
  • A. charges exponentially at a rate depending on the RC time constant
  • B. charges exponentially at a rate depending on the input voltage
  • C. charges when the input voltage is decreasing
  • D. charges to approximately one time constant
  • Discuss
  • 10. In an RC differentiator, the sum of the capacitor voltage and the resistor voltage at any instant

  • Options
  • A. must be zero
  • B. must be equal to the applied voltage
  • C. is less than the applied voltage but greater than zero
  • D. cannot be determined
  • Discuss

First 2 3 4