Electronic Components MCQ

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Electronic Components MCQ Question And Answer

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Important MCQ | Materials and Components | Basic Electronics MCQ Quiz. Question 1: The electrodes of a semiconductor diode are known as.

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    Question 1: In a metal ?

  • The electrical conduction is by electrons and holes
  • None of the above
  • The conductivity decreases with the rise in temperature
  • The conduction band is empty

    • Answers: The conductivity decreases with the rise in temperature

    Question 2: Elements with 1. 2 or 3 valence electrons usually make excellent ?

  • conductor
  • neutral
  • semiconductor
  • insulator

    • Answers: conductor

    Question 3: Which material may also be considered a semiconductor element?

  • mica
  • argon
  • ceramic
  • carbon

    • Answers: carbon

    Question 4: In P type semiconductor material, minority carriers would be ?

  • holes
  • electrons
  • slower
  • dopants

    • Answers: electrons

    Question 5: In a semiconductor holes are present only ?

  • Conduction band
  • All of these
  • Valence band
  • Forbidden gap

    • Answers: Valence band

    Question 6: An electron device means the device in which the conduction of electrons takes place through ?

  • a gas
  • a semiconductor
  • vacuum
  • a gas, semiconductor or vacuum

    • Answers: a gas, semiconductor or vacuum

    Question 7: Pure silicon is ?

  • a p-type semiconductor
  • an intrinsic semiconductor
  • an extrinsic semiconductor
  • an n-type semiconductor

    • Answers: an intrinsic semiconductor

    Question 8: If a small amount of phosphorus is added to germanium, then: ?

  • The conductivity decreases
  • Silicon becomes a P-type semiconductor
  • There will be more free electrons than holes
  • Phosphorus becomes an acceptor impurity

    • Answers: There will be more free electrons than holes

    Question 9: An intrinsic semiconductor at 0 K behaves as: 0 K ?

  • An insulator
  • A semiconductor
  • A conductor
  • A superconductor

    • Answers: An insulator

    Question 10: N-type semiconductors are formed by adding ?

  • Divalent impurities to pure semiconductor
  • Trivalent impurities to pure semiconductor
  • Tetravalent impurities to pure semiconductor
  • Pentavalent impurities to pure semiconductor

    • Answers: Pentavalent impurities to pure semiconductor

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Total Questions Attempted: 0

Correct: 0 Wrong: 0

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