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Home ‣ Electronics ‣ Time Response of Reactive Circuits See What Others Are Saying!
  • Question

  • A(n) _____ will decrease the time constant in an RC integrator or differentiator.


  • Options
  • A. open resistor
  • B. open capacitor
  • C. shorted capacitor
  • D. leaky capacitor



  • Correct Answer
  • leaky capacitor


     

    • More questions

    • 1. The S-R, D-type, and J-K flip-flops are all examples of _________________.

    • Options
    • A. astable multivibrators
    • B. bistable multivibrators
    • C. monostable multivibrators
    • D. tristable multivibrators
      • Discuss
    • 2. Edge-triggered flip-flops must have _________.

    • Options
    • A. very fast response times
    • B. at least two inputs to handle rising and falling edges
    • C. a positive-transition pulse generator
    • D. a negative-transition pulse generator
      • Discuss
    • 3. What is the value of a capacitor labeled 102?

    • Options
    • A. 10,000 pF
    • B. 1000 pF
    • C. 1000 µF
    • D. 10,000 µF
      • Discuss
    • 4. What is the impedance of this circuit?


    • Options
    • A. 5928 Ω
    • B. 2000 Ω
    • C. 1902 Ω
    • D. 1798 Ω
      • Discuss
    • 5. A Schmitt trigger is a comparator with _______.

    • Options
    • A. modulation
    • B. a closed-loop gain less than one
    • C. hysteresis
    • D. a high threshold value
      • Discuss
    • 6. ______________ is shuttled back and forth between the source and load.

    • Options
    • A. True power
    • B. Reactive power
    • C. Apparent power
    • D. Impedance power
      • Discuss
    • 7. The problems of the binary-weighted resistor digital-to-analog converter (DAC) can be overcome by using ___________.

    • Options
    • A. an 8-bit binary-weighted resistor DAC
    • B. an R/2R ladder DAC
    • C. a staircase DAC
    • D. a flash DAC
      • Discuss
    • 8. If current varies periodically from zero to a maximum, back to zero, and then repeats, the signal is:

    • Options
    • A. direct
    • B. alternating
    • C. pulsating
    • D. repetitive
      • Discuss
    • 9. This circuit is operating in a closed-loop mode.


    • Options
    • A. True
    • B. False
      • Discuss
    • 10. If a transistor operates at the middle of the dc load line, a decrease in the current gain will move the Q point:

    • Options
    • A. off the load line
    • B. nowhere
    • C. up
    • D. down
      • Discuss

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