alleryA semiconductor with added impurity is called:
AIntrinsic
BInsulating
CConducting
DExtrinsic
Answer & Solution
Correct answer: D. Extrinsic
1. A pure semiconductor is called intrinsic.
2. Adding impurity changes what it is called.
3. It becomes an extrinsic, or impurity, semiconductor.
_Source: syllabus Physics Part II, Chapter 14, Semiconductor Electronics._
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