Multiple choice general knowledge science & technology

Which element uses to create a P type semiconductor

  1. Boron

  2. Iron

  3. Silicon

  4. Antimony
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A Correct answer
Explanation

P-type semiconductors are created by doping with electron acceptors - elements with 3 valence electrons. Boron has 3 valence electrons and creates holes in the silicon lattice when added as a dopant. Silicon is the base semiconductor material, not the dopant. Antimony has 5 valence electrons and is used for N-type semiconductors.

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