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ECE :: Electronic Devices and Circuits

  1. In which of the following region, the collector base junction is reverse biased & base emitter junction is reverse biased
  2. A.
    Active
    B.
    Cutoff
    C.
    Saturation
    D.
    All the above

  3. A Transistor can set up in which of the following configurations
  4. A.
    Common "“ Base
    B.
    Common "“ Emitter
    C.
    Common "“ Collector
    D.
    all the above

  5. βdc is equal to ___
  6. A.
    IB/IE
    B.
    IC/IE
    C.
    IC/IB
    D.
    none of these

  7. The decrease in base width with increase in collector reverse bias voltage is known as ____
  8. A.
    Ohms law
    B.
    Newton's law
    C.
    Early effect
    D.
    None of these

  9. The below figure comes under which configuration of BJT's


  10. A.
    Common base
    B.
    Common emitter
    C.
    Common collector
    D.
    none of these

  11. The below figure comes under which configuration of BJT's


  12. A.
    Common base
    B.
    Common emitter
    C.
    Common collector
    D.
    none of these

  13. Which of the following is also known as emitter follower
  14. A.
    Common base amplifier
    B.
    Common emitter amplifier
    C.
    Common collector amplifier
    D.
    none of these

  15. A BJT is a _____ controlled device, JFET is a ________ controlled device
  16. A.
    Voltage , voltage
    B.
    voltage , current
    C.
    current , voltage
    D.
    current , current

  17. _________ is a semiconductor device which depends for its operation on the control of current by an electric field
  18. A.
    FET
    B.
    BJT
    C.
    P-N Junction Diode
    D.
    none of these

  19. BJT is a ________ device & FET is a _______ device
  20. A.
    Bipolar , bipolar
    B.
    bipolar , unipolar
    C.
    unipolar , bipolar
    D.
    unipolar , unipolar