Q. In a semiconductor
A) There are no free electrons at any temperature
B) The number of free electrons is more than that in a conductor
C) There are no free electrons at 0 $K$
D) None of these
Explanation
(c) At $0\ K$ semiconductor behaves as an insulator
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.