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Conductivity of an intrinsic semiconductor depends on its:

AWire length
BTemperature
CColour code
DOuter casing
Answer & Solution
Correct answer: B. Temperature
1. Carriers appear only when electrons cross the gap. 2. The number that manage it depends on thermal energy. 3. So conductivity depends on temperature. 4. The answer is temperature. _Source: syllabus Physics, Ch 14 'Semiconductor Electronics'_
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