logo

CuriousTab

CuriousTab

Discussion


Home Electronics Transistors and Applications Comments

  • Question
  • The ac input resistance (Rin) of a voltage-divider biased common-emitter amplifier consists of ____________.


  • Options
  • A. The ac input resistance (Rin) of a voltage-divider biased common-emitter amplifier consists of _____
  • B. The ac input resistance (Rin) of a voltage-divider biased common-emitter amplifier consists of _____
  • C. The ac input resistance (Rin) of a voltage-divider biased common-emitter amplifier consists of _____
  • D. The ac input resistance (Rin) of a voltage-divider biased common-emitter amplifier consists of _____

  • Correct Answer
  •  


  • Transistors and Applications problems


    Search Results


    • 1. The ___ oscillator takes advantage of the piezoelectric effect.

    • Options
    • A. crystal
    • B. Hartley
    • C. Colpitts
    • D. RC
    • Discuss
    • 2. The collector current in a class A amplifier flows for ________ of the ac input signal.

    • Options
    • A. < 180°
    • B. 180°
    • C. < 360°
    • D. 360°
    • Discuss
    • 3. 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
    • 4. 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
    • 5. 

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


    • Options
    • A. True
    • B. False
    • Discuss
    • 6. VCE approximately equals _______ when a transistor is in saturation.

    • Options
    • A. VCC
    • B. VB
    • C. 0.2 V
    • D. 0.7 V
    • Discuss
    • 7. 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
    • 8. Changing ________ can control the voltage gain of a common-source amplifier.

    • Options
    • A. the input voltage
    • B. gm
    • C. VDD
    • D. RS
    • Discuss
    • 9. 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
    • 10. 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


    Comments

    There are no comments.

Enter a new Comment