alleryHow many types of dopant are used with silicon or germanium?
ASeven types
BTwo types
CThree types
DFive types
Answer & Solution
Correct answer: B. Two types
1. One kind has more valence electrons than the host.
2. The other has fewer.
3. So there are two types of dopant.
_Source: syllabus Physics Part II, Chapter 14, Semiconductor Electronics._
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