Electronic Components MCQ

Electronic Components MCQ | 0 comments

Important MCQ | Materials and Components | Basic Electronics MCQ Quiz

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 In this section of Electronic Devices and Circuits. It contains Electronics Component MCQs (Multiple Choice Questions Answers).

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    Question 1: The electrodes of a semi-conductor diode are known as?

  • gate and source
  • cathode and drain
  • anode and cathode
  • collector and base

    • Answers: anode and cathode

    Question 2: Mobility of electrons is highest in?

  • GeAs
  • Si
  • C
  • Ge

    • Answers: GeAs

    Question 3: Which of the following ohmic resistance?

  • Copper wire
  • Carbon resistance
  • Tungsten wire
  • Diode

    • Answers: Diode

    Question 4: To obtain the P-type semiconductor?

  • A pentavalent Impurity is added
  • A trivalent Impurity is added
  • None of these
  • Both are added

    • Answers: A trivalent Impurity is added

    Question 5: The bond formed by sharing of electrons by two or more atoms is called?

  • lonic Bond
  • Metallic Bond
  • Covalent Bond
  • Coordinate Bond

    • Answers: Covalent Bond

    Question 6: Valency of silicon is ?

  • 2
  • 5
  • 3
  • 4

    • Answers: 4

    Question 7: The doping concentration on the n-side of a p-a junction diode is enhanced. Which one of the following will get affected?

  • No change in width of depletion regions
  • Width of the depletion region on n-side
  • Width of the depletion region on p-side
  • Width of the depletion region on both sides

    • Answers: Width of the depletion region on n-side

    Question 8: In an intrinsic semiconductor, the Fermi level?

  • May be anywhere in the forbidden energy gap
  • Is near the valence band
  • Lies at the centre of forbidden energy gap
  • Is near the conduction band

    • Answers: Lies at the centre of forbidden energy gap

    Question 9: In a P type material the Fermi level is 0.3 eV above the valence band. The concentration of accepter atoms is increased. The new position of Fermi level is likely to be ?

  • 0.2 eV above the valence band
  • 0.5 eV above the valence band
  • Below the valence band
  • None of the above

    • Answers: 0.2 eV above the valence band

    Question 10: Most commonly used semiconductor material is?

  • Mixture of silicon and germanium
  • Germanium
  • None of the above
  • Silicon

    • Answers: Silicon

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Total Questions Attempted: 0

Correct: 0 Wrong: 0

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