Semiconductor Devices Quiz

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Questions and Answers

What are the primary semiconductor materials used in electronic components?

  • Iron, nickel, and cobalt
  • Copper, aluminum, and gold
  • Carbon, sulfur, and phosphorus
  • Silicon, germanium, and gallium arsenide (correct)

How do semiconductor devices conduct electric current?

  • As free electrons and ions across a vacuum
  • Through ionized gas
  • By thermionic emission
  • In the solid state (correct)

What is the main advantage of semiconductor materials?

  • They have high thermal conductivity
  • They have low melting points
  • They are naturally abundant in the Earth's crust
  • Their behavior can be easily manipulated by the deliberate addition of impurities (correct)

How are semiconductor devices manufactured in integrated circuit (IC) chips?

<p>Two or more devices are manufactured and interconnected on a single semiconductor wafer (D)</p>
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How does the conductivity of semiconductor devices compare to that of conductors and insulators?

<p>It lies between conductors and insulators (A)</p>
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What is the Hall effect?

<p>The production of a potential difference across an electrical conductor transverse to an electric current and an applied magnetic field (B)</p>
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What does the Hall coefficient represent?

<p>The ratio of the induced electric field to the product of the current density and the applied magnetic field (B)</p>
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Who discovered the Hall effect?

<p>Edwin Hall (C)</p>
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What did James Clerk Maxwell's paper 'On Physical Lines of Force' establish?

<p>A solid mathematical basis for electromagnetic theory (D)</p>
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What does the Hall coefficient depend on?

<p>The type, number, and properties of the charge carriers that constitute the current (C)</p>
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