Electronic Devices and Circuits MCQ | Passive Components MCQ Quiz

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Get Electronic Components Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. Download these Free Electric Components.

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    Question 1: At room temperature semiconductor material is a?

  • perfect insulator
  • superconducting
  • slightly conducting
  • conducting
  • Answers: slightly conducting

    Question 2: A semiconductor device made out of a material having very high temperature coefficient of resistance is?

  • Thermistor
  • Varistor
  • Transistor
  • Thyristor
  • Answers: Thermistor

    Question 3: Generally, mobility of electrons in semi conductors is ............ times the mobility of holes?

  • four
  • three
  • five
  • two
  • Answers: two

    Question 4: At much lower temperature, semiconductors behave as?

  • Semiconductors only
  • Insulators
  • Conductors
  • Conductor or insulator
  • Answers: Insulators

    Question 5: Electron mobility of the following intrinsic elements in descending order is?

  • GaAs, Si, Ge
  • Si, Ge, GaAs
  • GaAs, Ge, Si
  • Ge, Si, GaAs
  • Answers: GaAs, Ge, Si

    Question 6: When a normal atom looses an electron?

  • Atom looses one proton simultaneously
  • Atoms become a negative ion
  • Rest of the electrons move faster
  • Atom becomes a positive ion
  • Answers: Atom becomes a positive ion

    Question 7: An electron in the conduction band?

  • Is always chargeless
  • Has higher energy than an electron in the valence band
  • Has lower energy than an electron in the valence band
  • Has tendency to leave the atom
  • Answers: Has higher energy than an electron in the valence band

    Question 8: The process of deliberately adding impurities to a semiconductor is known as ?

  • Combining
  • Keying
  • Doping
  • Sintering
  • Answers: Doping

    Question 9: In N-type material. majority carriers would be?

  • electrons
  • dopants
  • slower
  • holes
  • Answers: electrons

    Question 10: How many electrons are there in the valence orbit of a silicon atom within a crystal?

  • 8
  • 14
  • 1
  • 4
  • Answers: 4

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Total Questions Attempted: 0

Correct: 0 Wrong: 0

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