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Home ‣ Electronics ‣ Transistors and Applications Comments
  • Question

  • An essential requirement of a feedback oscillator is a phase shift around the feedback loop of 360°.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Transistors and Applications problems

    Search Results

    • 1. A practical CE amplifier has the input on the base and the output taken off the emitter.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. The beta of a BJT is the ratio of collector current to emitter current.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. Base currents are usually small because of the physical construction of the thin and lightly doped base.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. A decrease in base current of a CE amplifier causes the voltage measured between the emitter and the collector to increase.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. A certain amplifier has a voltage gain of 210. That gain expressed in decibels is 46.4 dB.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. In an n-type JFET, current will flow when a positive voltage is applied to the drain and a negative voltage is applied to the source.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The voltage measured from the collector to the emitter is the sum of the voltage base-emitter plus the voltage collector-base.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. 

      The maximum peak-to-peak output voltage in the given circuit is 15 V.


    • Options
    • A. True
    • B. False
      • Discuss
    • 9. If the drain, source, and channel of a MOSFET are all a p-type material, and it operates in both modes, this is an n-channel D-MOSFET.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The power gain (Ap) of any transistor amplifier circuit equals the ___________.

    • Options
    • A. current gain squared
    • B. current gain times the voltage gain
    • C. voltage gain times the output resistance
    • D. current gain plus the voltage gain
      • Discuss

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