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Question: Answered & Verified by Expert
At $0 \mathrm{~K}$ temperature, a $p$-type semiconductor
PhysicsSemiconductorsAIIMSAIIMS 2002
Options:
  • A does not have any charge carriers
  • B has few holes but no free electrons
  • C has few holes and few free electrons
  • D has equal number of holes and free electrons.
Solution:
1387 Upvotes Verified Answer
The correct answer is: has few holes but no free electrons
At $0 \mathrm{~K}$ temperature, a pure semiconductor behaves as an insulator, because it has a few holes in its valence band. But there is no free electron in this state.

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