Q. Silicon is

A) Semiconductor
B) Insulator
C) Conductor
D) None of these
Explanation

(a)
Semiconductors are bad conductors of electricity at room temperature but become conductor of electricity at high temperature or when some impurities are added to them.
$\therefore$ Si and Ge are semiconductors.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.