A semiconductor is doped with an indium impurity atom. Which of the following statements is true abo

JAMB Physics 2023 308 views
Source: JAMB · 2023

A semiconductor is doped with an indium impurity atom. Which of the following statements is true about the resulting semiconductor?

  1. The semiconductor will have an excess of electrons.
  2. The semiconductor will have an excess of holes. ✓
  3. The semiconductor will have equal numbers of electrons and holes.
  4. The semiconductor will become an insulator.

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