Question:

Which of the following material acts as a semiconductor at 298 K?

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Semiconductors have electrical conductivity that lies between conductors and insulators. Their conductivity increases with temperature.
Updated On: Mar 7, 2025
  • Iron
  • Copper oxide
  • Sodium
  • Graphite
  • Glass
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The Correct Option is B

Solution and Explanation

At room temperature (298 K), Copper oxide (\(CuO\)) behaves as a semiconductor, as its electrical conductivity increases with temperature, which is characteristic of semiconductors.
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