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Home Electronics Semiconductor Principles Comments

  • Question
  • Which material may also be considered a semiconductor element?


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

  • Correct Answer
  • carbon 


  • Semiconductor Principles problems


    Search Results


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

    • Options
    • A. covalent bond
    • B. crystal
    • C. semiconductor
    • D. valence orbit
    • Discuss
    • 2. 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
    • 3. 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
    • 4. In "p" type material, minority carriers would be:

    • Options
    • A. holes
    • B. dopants
    • C. slower
    • D. electrons
    • Discuss
    • 5. Which semiconductor material is made from coal ash?

    • Options
    • A. germanium
    • B. silicon
    • C. tin
    • D. carbon
    • Discuss
    • 6. 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
    • 7. 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
    • 8. 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
    • 9. Minority carriers are many times activated by:

    • Options
    • A. heat
    • B. pressure
    • C. dopants
    • D. forward bias
    • Discuss
    • 10. Forward bias of a silicon P-N junction will produce a barrier voltage of approximately how many volts?

    • Options
    • A. 0.2
    • B. 0.3
    • C. 0.7
    • D. 0.8
    • Discuss


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