Electronics-semiconductor Principles

Electronics-semiconductor Principles
1. Intrinsic semiconductor material is characterized by a valence shell of how many electrons?
  • 1
  • 2
  • 4
  • 6
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2. Intrinsic semiconductor material is characterized by a valence shell of how many electrons?
  • 1
  • 2
  • 4
  • 6
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3. Ionization within a P-N junction causes a layer on each side of the barrier called the:
  • junction
  • depletion region
  • barrier voltage
  • forward voltage
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4. What is the most significant development in electronics since World War II?
  • the development of color TV
  • the development of the diode
  • the development of the transistor
  • the development of the TRIAC
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5. What causes the depletion region?
  • doping
  • diffusion
  • barrier potential
  • ions
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6. What is an energy gap?
  • the space between two orbital shells
  • the energy equal to the energy acquired by an electron passing a 1 V electric field
  • the energy band in which electrons can move freely
  • an energy level at which an electron can exist
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7. Silicon atoms combine into an orderly pattern called a:
  • covalent bond
  • crystal
  • semiconductor
  • valence orbit
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8. In "n" type material, majority carriers would be:
  • holes
  • dopants
  • slower
  • electrons
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9. Elements with 1, 2, or 3 valence electrons usually make excellent:
  • conductors
  • semiconductors
  • insulators
  • neutral
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10. A commonly used pentavalent material is:
  • arsenic
  • boron
  • gallium
  • neon
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