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Intrinsic Semiconductor Quiz
5 Questions
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Intrinsic Semiconductor Quiz

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@SincereCoral

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Questions and Answers

What is the relationship between electron density (n) and hole density (p) in an intrinsic semiconductor?

  • n < p
  • The relationship cannot be determined
  • n = p (correct)
  • n > p

    • What is the intrinsic carrier density (ni) in an intrinsic semiconductor?

  • $ni = rac{ ext{Energy gap}}{2} imes rac{1}{{ ext{Boltzmann constant} imes ext{Temperature}}}$ (correct)
  • $ni = rac{ ext{Energy gap}}{2} imes rac{1}{{ ext{Boltzmann constant} + ext{Temperature}}}$
  • $ni = rac{ ext{Energy gap}}{2} imes rac{1}{{ ext{Boltzmann constant} - ext{Temperature}}}$
  • $ni = rac{ ext{Energy gap}}{2} imes rac{1}{{ ext{Boltzmann constant} imes ext{Temperature}^2}}$

    • What effect does temperature have on the intrinsic carrier density (ni) in an intrinsic semiconductor?

  • Causes ni to fluctuate randomly
  • Increases ni
  • Decreases ni (correct)
  • No effect on ni

    • How does intentional doping of impurities affect the properties of a semiconductor?

    <p>Allows control over conductivity and resistivity</p> Signup and view all the answers

    What is the usual unit of measurement for electron density (n) and hole density (p) in a semiconductor?

    <p>cm^-3</p> Signup and view all the answers

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