Semiconductor Electronics MCQ

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

• What is the maximum power rating for an IC?
  ক

  1 W

  খ

  10 W

  গ

  100 W

  ঘ

  1000 W
• Which of the following is true regarding ICs?
  ক

  ICs are big in size

  খ

  ICs are heavy in nature

  গ

  ICs are small in size and weight

  ঘ

  ICs are big but has a small weight
• Which of the following is mainly sued in the production of Integrated Circuits?
  ক

  Copper

  খ

  Aluminum

  গ

  Carbon

  ঘ

  Silicon
• Inductors are not used in Integrated Circuits?
  ক

  True

  খ

  False
• How many types of Integrated Circuits are there?
  ক

  5

  খ

  600

  গ

  10

  ঘ

  7000
• Which among the following is not easy to fabricate on an Integrated Circuit?
  ক

  Inductor

  খ

  Resistor

  গ

  Capacitor

  ঘ

  Transistor
• What is the role of SiO2 in Integrated Circuits?
  ক

  Insulating component

  খ

  Resistance component

  গ

  Voltage component

  ঘ

  Output component
• What will the power gain of a transistor if it’s α value is 0.80 and the voltage gain is 95?
  ক

  70

  খ

  80

  গ

  76

  ঘ

  75
• DC current gain is the ratio of change in collector current to the change in base current.
  ক

  True

  খ

  False
• On which of the following does base current not depend on?
  ক

  The thickness of the base

  খ

  The shape of the transistor

  গ

  Doping levels

  ঘ

  Number of charge carriers
• The base forms two p-n junctions with the emitter and the collector.
  ক

  True

  খ

  False
• Which among the following is larger compared to the other regions of a transistor?
  ক

  Emitter

  খ

  Collector

  গ

  Base

  ঘ

  Charger
• Which of the following supplies charge carriers in a transistor?
  ক

  Collector

  খ

  Base

  গ

  Emitter

  ঘ

  Charger
• How many types of transistors are there?
  ক

  2

  খ

  5

  গ

  1

  ঘ

  7
• Which of the following is used as a voltage regulator?
  ক

  Photodiode

  খ

  Solar cell

  গ

  LED

  ঘ

  Zener diode
• The I-V characteristics of a LED are similar to that of Si junction diode.
  ক

  True

  খ

  False
• Identify the one on which no external bias is applied.
  ক

  Zener diode

  খ

  Solar cell

  গ

  Photodiode

  ঘ

  Light-emitting diode
• Which of the following converts light energy to electric current?
  ক

  LED

  খ

  Zener diode

  গ

  Photodiode

  ঘ

  Solar cell
• Which of the following is operated in forward bias?
  ক

  LED

  খ

  Zener diode

  গ

  Photodiode

  ঘ

  Solar cell
• Calculate the value of peak reverse voltage (P.I.V.) if the full-wave rectifier has an alternating voltage of 300 V.
  ক

  849 V

  খ

  800 V

  গ

  750 V

  ঘ

  870 V
• The ripple frequency of a full-wave rectifier is twice to that of a half-wave rectifier.
  ক

  True

  খ

  False
• How many main types of rectifiers are there?
  ক

  1

  খ

  5

  গ

  2

  ঘ

  4
• What is a rectifier used for?
  ক

  Convert ac voltage to dc voltage

  খ

  Convert dc voltage to ac voltage

  গ

  Measure resistance

  ঘ

  Measure current
• What causes drift current in a p-n junction diode?
  ক

  Electric field

  খ

  Charge carriers density

  গ

  Collision of electrons

  ঘ

  Electric potential
• Which of the following is true in case of the unbiased p-n junction?
  ক

  The high potential at n-side and low potential at p-side

  খ

  The high potential at p-side and low potential at n-side

  গ

  p and n both are at the same potential

  ঘ

  Undetermined
• Which of the following accounts for the presence of the potential barrier in the depletion layer?
  ক

  Ions

  খ

  Holes

  গ

  Electrons

  ঘ

  Forbidden band
• What accounts for the flow of charge carriers in forward and reverse biasing of silicon p-n diode?
  ক

  Drift in forward bias and diffusion in forward bias

  খ

  Drift in reverse bias and diffusion in forward bias

  গ

  Drift in both reverse and forward bias

  ঘ

  Diffusion in both forward and reverse bias
• Forward biasing of p-n junction diode offers high resistance.
  ক

  True

  খ

  False
• Which of the following is a transistor material?
  ক

  Chip

  খ

  Insulator

  গ

  Semiconductor

  ঘ

  Metal
• Which of the following constitutes Zener diode?
  ক

  Oscillator

  খ

  Regulator

  গ

  Rectifier

  ঘ

  Filter