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Semiconductor Principles (Electronics) Question and Answers-Page first

Semiconductor Principles problems


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  • 1. Which of the following cannot actually move?

  • Options
  • A. majority carriers
  • B. ions
  • C. holes
  • D. free electrons

  •           Discuss     

  • 2. Which semiconductor material is made from coal ash?

  • Options
  • A. germanium
  • B. silicon
  • C. tin
  • D. carbon

  •           Discuss     

  • 3. In "p" type material, minority carriers would be:

  • Options
  • A. holes
  • B. dopants
  • C. slower
  • D. electrons

  •           Discuss     

  • 4. When an electron jumps from the valence shell to the conduction band, it leaves a gap. What is this gap called?

  • Options
  • A. energy gap
  • B. hole
  • C. electron-hole pair
  • D. recombination

  •           Discuss     

  • 5. Ionization within a P-N junction causes a layer on each side of the barrier called the:

  • Options
  • A. junction
  • B. depletion region
  • C. barrier voltage
  • D. forward voltage

  •           Discuss     

  • 6. Silicon atoms combine into an orderly pattern called a:

  • Options
  • A. covalent bond
  • B. crystal
  • C. semiconductor
  • D. valence orbit

  •           Discuss     

  • 7. Which material may also be considered a semiconductor element?

  • Options
  • A. carbon
  • B. ceramic
  • C. mica
  • D. argon

  •           Discuss     

  • 8. What is the voltage across R1 if the P-N junction is made of silicon?

    Electronics Semiconductor Principles: What is the voltage across R1 if the P-N junction is made of silicon?

  • Options
  • A. 12 V
  • B. 11.7 V
  • C. 11.3 V
  • D. 0 V

  •           Discuss     

  • 9. What is an energy gap?

  • Options
  • A. the space between two orbital shells
  • B. the energy equal to the energy acquired by an electron passing a 1 V electric field
  • C. the energy band in which electrons can move freely
  • D. an energy level at which an electron can exist

  •           Discuss     

  • 10. If conductance increases as temperature increases, this is known as a:

  • Options
  • A. positive coefficient
  • B. negative current flow
  • C. negative coefficient
  • D. positive resistance

  •           Discuss     


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