PHYSICS
SINGLE CORRECT MCQ
Statement 1 : If the temperature of a semiconductor is increased then it's resistance decreases.
Statement 2 : The energy gap between conduction band and valence band is very small.
Text Solution
Verified by ExpertsA
PHYSICS
SINGLE CORRECT MCQ
In semiconductor the energy gap between conduction band and valence band is small ( 
. Due to temperature rise, electron in the valence band gained thermal energy and may jump across the small energy gap, goes in to the conduction band. Thus conductivity increases and hence resistance decreases.
──────────────────────────────────────────────────────────────────────────────────────────
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems