Quiz  /  MCQ On Zener Diode

  • 1. 
    Depletion region contains

  • Free holes
  • Free electrons
  • Immobile charge carriers
  • All of the above

  • 2. 
    In a Zener diode with a high breakdown voltage has

  • Lightly doped P and N
  • P or N is lightly doped
  • Heavily doped P and N
  • None of these

  • 3. 
    Which of the following controls the current in a Zener diode?

  • Below 6 V
  • At 6 V
  • Above 6 V
  • None of the above

  • 4. 
    In Zener diode, the breakdown is due to Zener, has a doping

  • Lowest
  • Moderate
  • High
  • Low

  • 5. 
    In a Zener diode

  • Negative resistance characteristic exists
  • Forward voltage rating is high
  • Sharp breakdown occurs at a low reverse voltage
  • All of the above

  • 6. 
    A Zener diode, having breakdown voltage equal to 15 V, is used in a voltage regulator circuit shown in the figure. The current through the diode is

  • 10 mA
  • 15 mA
  • 20 mA
  • 5 mA

  • 7. 
    How is the breakdown region set during the manufacturing of the diode?

  • By controlling the size of the diode
  • By controlling the doping of the diode
  • By managing the biasing of diode
  • All the above
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