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Home ‣ Electronics ‣ Transistors and Applications Comments
  • Question

  • The gate-source junction of a JFET must be ________ for proper linear operation.


  • Options
  • A. forward-biased
  • B. reverse-biased
  • C. either forward-biased or reverse-biased
  • D. neutral

  • Correct Answer
  • reverse-biased 

    • Transistors and Applications problems

    Search Results

    • 1. The gain of a BJT is called _______ and the gain of a JFET is called _______.

    • Options
    • A. beta, alpha
    • B. transconductance, beta
    • C. beta, transconductance
    • D. transconductance, transconductance
      • Discuss
    • 2. A _______________ JFET amplifier provides a voltage gain of less than one.

    • Options
    • A. common-source
    • B. common-channel
    • C. common-drain
    • D. None of the above
      • Discuss
    • 3. Removing a bypass capacitor from a common-emitter amplifier circuit will _________ voltage gain and ________ input resistance.

    • Options
    • A. increase, decrease
    • B. decrease, increase
    • C. decrease, decrease
    • D. increase, increase
      • Discuss
    • 4. Changing ________ can control the voltage gain of a common-source amplifier.

    • Options
    • A. the input voltage
    • B. gm
    • C. VDD
    • D. RS
      • Discuss
    • 5. A(n) ___ has a conductive channel only when it is biased properly.

    • Options
    • A. p-channel JFET
    • B. n-channel D-MOSFET
    • C. p-channel D-MOSFET
    • D. n-channel E-MOSFET
      • Discuss
    • 6. In order to sustain oscillations in a feedback oscillator, the gain should be _________ so the product of Av × B equals_______.

    • Options
    • A. reduced, one
    • B. reduced, less than one
    • C. increased, more than one
    • D. increased, much greater than one
      • Discuss
    • 7. Isolation amps are named as such because they are sealed for protection from outside environmental damage.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Clampers are often called peak detectors.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. OTA stands for Operational Transistor Amplifier.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. Typical isolation amplifiers use optical coupling.

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

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