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A semiconductor material, at absolute zero degrees temperature, acts as which of the following?
  • a)
    A perfect conductor
  • b)
    A perfect insulator
  • c)
    A perfect conductor or insulator depending on the atmospheric pressure
  • d)
    None of these
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A semiconductor material, at absolute zero degrees temperature, acts a...
At Absolute zero temperature (0 Kelvin) the electrons in the valence band of semiconductors do not possess enough thermal energy to overcome forbidden energy gap. So semiconductors stop conducting and behave as insulators. When temperature is raised above 0 K, electrons gain thermal energy and start jumping into conduction band and participate in conduction.
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A semiconductor material, at absolute zero degrees temperature, acts as which of the following?a)A perfect conductorb)A perfect insulatorc)A perfect conductor or insulator depending on the atmospheric pressured)None of theseCorrect answer is option 'B'. Can you explain this answer?
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