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At room temperature, the conductivity of a pure intrinsic semiconductor is:
AInfinite
BExactly zero
CVery low
DVery high
Answer & Solution
Correct answer: C. Very low
1. Only a few bonds break at room temperature.
2. So there are few carriers.
3. The conductivity is very low.
_Source: NCERT Class 12 Physics Part II, Chapter 14, Semiconductor Electronics._
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