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MHT CET20228 Aug 2022Evening ShiftPhysicsSemiconductorsActual

At room temperature, a p-type semiconductor has

Options

  1. Aequal number of free electrons and holes.
  2. Blarge number of free electrons and few holes.
  3. Clarge number of holes and few electrons.
  4. Dno electrons or holes.

Correct answer

C. large number of holes and few electrons.

Step-by-step solution

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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