AIPMT PRELIMS2005Physics-Semiconductors
AIPMT PRELIMS 2005 Physics Properties of Semiconductors MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Choose the only false statement from the following:
A
Substances with energy gap of the order of 10 eV are insulators
B
The conductivity of a semiconductor increases with increases in temperature
C
In conductors the valence and conduction bands may overlap
D
The resistivity of a semiconductor increases with increase in temperature
Correct Answer
Option D
Detailed Explanation
In semiconductors, resistivity decreases with an increase in temperature due to increased charge carrier concentration.
Found an issue with this question?