Practice free →
HomeCBSE Class 12PhysicsSemiconductors › At room temperature, the conductivity of an intr…

At room temperature, the conductivity of an intrinsic semiconductor is:

AVery low
BVery high
CQuite fixed
DFully zero
Answer & Solution
Correct answer: A. Very low
1. Its conductivity depends on temperature. 2. At ordinary temperatures few electrons are excited. 3. So the conductivity is very low. _Source: NCERT Class 12 Physics Part II, Chapter 14, Semiconductor Electronics._
Solve this in the app — CBSE Class 12 practice & 24k+ MCQs →
Related questions