Q. Regarding a semiconductor which one of the following is wrong
A) There are no free electrons at room temperature
B) There are no free electrons at 0 $K$
C) The number of free electrons increases with rise of temperature
D) The charge carriers are electrons and holes
Explanation
(a) At room temperature, few bonds break and electron hole pair generates inside the semiconductor
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.