PN Junction Diode MCQ

Test your knowledge with important PN Junction Diode MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more PN Junction Diode MCQs at Bissoy

• PN junction can be made by physically joining P type and N type semiconductor.
  ক

  True

  খ

  False
• Which impurity should be added to pure semiconductor to make an N-type semiconductor?
  ক

  Gallium

  খ

  Phosphorus

  গ

  Indium

  ঘ

  Aluminum
• Which impurity should be added to pure semiconductor to make a P-type semiconductor?
  ক

  Arsenic

  খ

  Phosphorus

  গ

  Boron

  ঘ

  Antimony
• What happens when a pentavalent semiconductor is doped with a pure semiconductor?
  ক

  N-Type extrinsic semiconductor is formed

  খ

  P-Type extrinsic semiconductor is formed

  গ

  PN junction is formed

  ঘ

  NP junction is formed
• What happens when a trivalent semiconductor is doped with a pure semiconductor?
  ক

  N-Type extrinsic semiconductor is formed

  খ

  P-Type extrinsic semiconductor is formed

  গ

  PN junction is formed

  ঘ

  NP junction is formed
• What are the majority charge carriers in N-type semiconductors?
  ক

  Electrons

  খ

  Holes

  গ

  Negative Ions

  ঘ

  Positive Ions
• What are the parameters over which a diode characteristics curve is made?
  ক

  Current and time

  খ

  Voltage and time

  গ

  Current and frequency

  ঘ

  Voltage and current
• Which is an example of PN junction diode?
  ক

  Light Emitting Diode

  খ

  Light dependent resistor

  গ

  Photo Voltaic cell

  ঘ

  Capacitor
• What is the minimum voltage required to make the PN junction of a real silicon transistor in forward biased?
  ক

  0.7 volts

  খ

  0.8 volts

  গ

  0.9 volts

  ঘ

  0.3 volts
• When the p-type semiconductor is connected to positive terminal and n-type to negative terminal of a PN junction diode then the diode is said to be reverse biased.
  ক

  True

  খ

  False
• Ions do not move in a PN junction.
  ক

  True

  খ

  False
• Which is an example of Schottky diode?
  ক

  MSP430G2ET

  খ

  CMCP793V-500

  গ

  SLB700A/06VA

  ঘ

  MBR5H100MFST1G
• What are present at the potential barrier of a PN junction when no external voltage is applied?
  ক

  Electrons

  খ

  Holes

  গ

  Positive Ions

  ঘ

  Positive and Negative Ions
• What are the majority charge carriers in P-type semiconductors?
  ক

  Electrons

  খ

  Holes

  গ

  Negative Ions

  ঘ

  Positive Ions
• How many PN junctions is/are present in a bipolar junction transistor?
  ক

  0

  খ

  1

  গ

  2

  ঘ

  3