MCQ
An $N$-type and $P$-type silicon can be obtained by doping pure silicon with
  • A
    Arsenic and Phosphorous
  • B
    Indium and Aluminium
  • Phosphorous and Indium
  • D
    Aluminium and Boron

Answer

Correct option: C.
Phosphorous and Indium
Phosphorus is pentavalent while Indium is trivalent.

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