Types of Diodes-1 MCQ

Test your knowledge with important Types of Diodes-1 MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Types of Diodes-1 MCQs at Bissoy

• A Schottky diode can be switchd off much faster than an equivalent p-n junction diode due to its
  ক

  higher operating frequency

  খ

  no recombination of charges

  গ

  more compact structure

  ঘ

  None of the mentioned
• A Schottky diode has __________
  ক

  a gate terminal

  খ

  aluminum-silicon junction

  গ

  platinum gold junction

  ঘ

  germanium-Arsenide junction
• As compared to a p-n junction diode(of the same rating), a Schottky diode has ___________
  ক

  higher cut-in voltage

  খ

  lower reverse leakage current

  গ

  higher operating frequency

  ঘ

  higher switching time
• In a Schottky diode, the silcon is usually
  ক

  N-type

  খ

  P-type

  গ

  un-doped semiconductor

  ঘ

  silicon is not used
• Which of the following are/is the majority charge carriers in a Schottky diode?
  ক

  Holes

  খ

  Electrons

  গ

  Both holes & Electrons carry equal current

  ঘ

  None of the mentioned
• A Schottky diode _____
  ক

  has current flow due to holes only

  খ

  has no reverse recovery time

  গ

  has large amount of storage charges

  ঘ

  has zero cut-in voltage
• Which of the below mentioned statements is false regarding Schottky diodes?
  ক

  Schottky diodes have a Al-Silicon junction

  খ

  There is no storage of charges in a Schottky diode

  গ

  The majority charge carriers in a Schottky diode are holes

  ঘ

  Schottky diodes can be switched off faster than a p-n junction diode of the same rating
• Which of the following diodes uses a metal-semiconductor junction?
  ক

  General purpose diodes

  খ

  Fast recovery diodes

  গ

  Schottky diode

  ঘ

  None of the mentioned
• In order to reduce the reverse recovery time of the diodes, __________ is carried out.
  ক

  shortening of the length of the device

  খ

  platinum & gold doping

  গ

  antimony doping

  ঘ

  adding an extra silicon layer
• Shown below is the diagram of an ideal super diode. When the input voltage Vin is negative, then the output voltage Vout = ?
  ক

  Vout/Vin

  খ

  Vin

  গ

  0

  ঘ

  Vin * Rl