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Question: Answered & Verified by Expert
At room temperature, a p-type semiconductor has
PhysicsSemiconductorsMHT CETMHT CET 2022 (08 Aug Shift 2)
Options:
  • A equal number of free electrons and holes.
  • B large number of free electrons and few holes.
  • C large number of holes and few electrons.
  • D no electrons or holes.
Solution:
2077 Upvotes Verified Answer
The correct answer is: large number of holes and few electrons.
Concept: P-type semiconductor is doped with trivalent impurities which generate acceptor levels near the valence band. Therefore, the majority carriers are holes and the minority carriers are electron.

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