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Home Electronics Time Response of Reactive Circuits Comments

  • Question
  • A repetitive pulse with a 50% duty cycle is being applied to the input of an RC integrator. If one time constant is less than one-fifth the pulse width, the capacitor will be able to fully charge and discharge.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • Time Response of Reactive Circuits problems


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    • 1. If the output of an RC integrator is zero volts, the capacitor might be open.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. The output of an RC differentiator is taken from across the capacitor.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. The steady-state condition of an integrator is reached after 5 time constants regardless of the number of input pulses that occur in that amount of time.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. The output of a differentiator could be considered a spike when the input pulse width is much longer than 5 time constants.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. The output voltage of a differentiator goes negative on the falling edge of the input pulse.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. The output of an RL differentiator is taken from across the inductor.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. If a repetitive-pulse waveform is applied to an RC integrator, the output waveshape depends on the relationship of the circuit time constant and the duty cycle of the input pulses.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. For a capacitor to completely charge in an RC integrator, the pulse width must be _____ 5 time constants.

    • Options
    • A. less than
    • B. greater than
    • C. equal to
    • D. greater than or equal to
    • Discuss
    • 9. 

      If the pulse width were cut in half in the given circuit, the voltage across the resistor would be ______ at the end of the pulse.


    • Options
    • A. 0 V
    • B. 0.36 V
    • C. 0.46 V
    • D. 0.9 V
    • Discuss
    • 10. 

      If the pulse source has an internal resistance of 80 Ω in the given circuit, it will take ______ for the output voltage to decrease to zero.


    • Options
    • A. 1 ms
    • B. 1.1 ms
    • C. 1.2 ms
    • D. 2.5 ms
    • Discuss


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