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Home ‣ Electrical Engineering ‣ Time Response of Reactive Circuits Comments
  • Question

  • Referring this figure, on the falling edge,

    Referring this figure, on the falling edge, the resistor voltage drops to ?5 V and then goes back to


  • Options
  • A. the resistor voltage drops to ?5 V and then goes back to zero exponentially
  • B. the resistor voltage jumps to ?5 V and then goes back to zero exponentially
  • C. the capacitor voltage remains constant
  • D. the resistor voltage jumps to +5 V and then decreases exponentially to zero

  • Correct Answer
  • the resistor voltage jumps to ?5 V and then goes back to zero exponentially 

    • Time Response of Reactive Circuits problems

    Search Results

    • 1. To understand how the output voltage is shaped by a differentiator, you must consider

    • Options
    • A. the response to the rising pulse edge
    • B. the response between the rising and falling edges
    • C. the response to the falling pulse edge
    • D. all of the above
      • Discuss
    • 2. When a 24 V input pulse with a width equal to five time constants is applied to an RC integrator, the capacitor charges to

    • Options
    • A. 24 V
    • B. 15.12 V
    • C. 20.64 V
    • D. 12 V
      • Discuss
    • 3. In an RL differentiator, when the input pulse goes from its low level to its high level,

    • Options
    • A. the inductor prevents a sudden change in voltage
    • B. the inductor prevents a sudden change in current
    • C. voltage across the inductor instantly reaches 63% of input voltage
    • D. voltage across the inductor is zero
      • Discuss
    • 4. A steady-state condition is reached when

    • Options
    • A. the output voltage reaches the average value of the input voltage
    • B. the output voltage reaches the input voltage
    • C. the output voltage reaches approximately 63% of the input voltage
    • D. the output voltage reaches the effective value of the input voltage
      • Discuss
    • 5. 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
    • 6. Referring to Problem 5, how long will it take the capacitor to discharge if the internal resistance of the pulse source is 100 Ω?

    • Options
    • A. 300 µs
    • B. 600 µs
    • C. 900 µs
    • D. 1.5 ms
      • Discuss
    • 7. When a 15 V input pulse with a width equal to two time constants is applied to an RC integrator, the capacitor charges to

    • Options
    • A. 15 V
    • B. 12.9 V
    • C. 8.6 V
    • D. 19.45 V
      • Discuss
    • 8. Referring to the above figure, determine the voltage level that the output will reach during the pulse.


    • Options
    • A. 0 V
    • B. 15 V
    • C. 6.3 V
    • D. 9.45 V
      • Discuss
    • 9. When a 12 V input pulse with a width equal to one time constant is applied to an RC integrator, the capacitor charges to

    • Options
    • A. 0 V
    • B. 12 V
    • C. 6.3 V
    • D. 7.56 V
      • Discuss
    • 10. In electronic systems, repetitive-pulse waveforms are encountered

    • Options
    • A. more often than single pulses
    • B. less often than single pulses
    • C. about as often as single pulses
    • D. twice as often as single pulses
      • Discuss

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