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Question: Answered & Verified by Expert
Which one of the following is a semiconductor?
ChemistrySolid StateAP EAMCETAP EAMCET 2023 (18 May Shift 2)
Options:
  • A $\mathrm{Fe}$
  • B $\mathrm{Ge}$
  • C Diamond
  • D $\mathrm{Cu}$
Solution:
1309 Upvotes Verified Answer
The correct answer is: $\mathrm{Ge}$
Germanium (Ge) belongs to group 14 and has semiconductor properties.
$\mathrm{Fe}$ and $\mathrm{Cu}$ are conductors while diamond is an insulator.

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