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Home ‣ Electronics ‣ Flip-Flops and Timers See What Others Are Saying!
  • Question

  • One example of the use of an S-R flip-flop is as a(n):


  • Options
  • A. transition pulse generator
  • B. astable oscillator
  • C. racer
  • D. switch debouncer

  • Correct Answer
  • switch debouncer 

    • More questions

    • 1. If we double the number of bits in our digital representation of a number from 4 to 8 bits, we double the relative accuracy of the conversion from digital to analog.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. Attaching a 6 kΩ load to a voltage divider will cause a smaller decrease in the output voltage than will attaching a 5 kΩ load.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. An ammeter is connected in ______ with the branch resistor to measure branch current, and in ______ with the voltage supply to measure total parallel circuit current.

    • Options
    • A. parallel, series
    • B. series, parallel
    • C. series, series
    • D. parallel, parallel
      • Discuss
    • 4. The relative accuracy of a digital-to-analog converter (DAC) is determined by settling time.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The output phase for a transformer is:

    • Options
    • A. in phase with the input
    • B. out of phase with the input
    • C. dependent on the direction of the primary and secondary windings
    • D. dependent on the frequency of the primary source
      • Discuss
    • 6. 

      The voltage gain is ______ for the amplifier in the given circuit.


    • Options
    • A. ?4
    • B. ?5
    • C. ?6
    • D. ?7
      • Discuss
    • 7. What is the phase angle of a 24 Vac parallel RL circuit when R = 45 ohms and XL = 1100 ohms?

    • Options
    • A. 0.001 degrees
    • B. 2.300 degrees
    • C. 87.600 degrees
    • D. 89.900 degrees
      • Discuss
    • 8. 

      What does R1 equal in the given circuit?


    • Options
    • A. 90 Ω
    • B. 180 Ω
    • C. 200 Ω
    • D. 1.8 kΩ
      • Discuss
    • 9. When current in an inductor starts to change, it cannot react instantly due to:

    • Options
    • A. fixed coil resistance
    • B. eddy current generation
    • C. applied emf of the circuit
    • D. the counter emf of the coil
      • Discuss
    • 10. 

      What is the peak-to-peak voltage of the waveform in the given circuit?


    • Options
    • A. 2 V
    • B. 4 V
    • C. 6 V
    • D. 8 V
      • Discuss

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