Quiz  /  Transistor MCQ

  • 1. 
    How many depletion layers are there in a transistor

  • Moderately
  • Lightly
  • Heavily
  • None of the above

  • 2. 
    The current carries in a PNP transistor is

  • Two p-n junctions
  • One p-n junction
  • Three p-n junctions
  • Four p-n junctions

  • 3. 
    The base-emitter junctions of a transistor is

  • Free electrons
  • Acceptor ions
  • Donor ions
  • Holes

  • 4. 
    In a transistor the input impedance is

  • a wide depletion layer
  • Low resistance
  • a reverse bias
  • None

  • 5. 
    The majority of the carriers from the emitter

  • Low
  • Very high
  • Almost zero
  • High

  • 6. 
    The value of α of a transistor is

  • Recombine in the emitter
  • Pass through the base of the collector
  • Recombine in the base
  • None of the above

  • 7. 
    The output impedance of a transistor is

  • More than 1
  • Less than 1
  • 1
  • None of the above

  • 8. 
    As the temperature of a transistor goes up, the base-emitter resistance

  • High
  • Zero
  • Low
  • Very low
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