Which one of the following is a semiconductor?

Which one of the following is a semiconductor?
  1. $\mathrm{Fe}$
  2. $\mathrm{Ge}$
  3. Diamond
  4. $\mathrm{Cu}$

Solution

Germanium (Ge) belongs to group 14 and has semiconductor properties. $\mathrm{Fe}$ and $\mathrm{Cu}$ are conductors while diamond is an insulator.

Asked in: AP EAMCET 2023 (18 May Shift 2)

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