Q. Moderate electrical conductivity is shown by
A) Silica
B) Graphite
C) Diamond
D) Carborundum
Explanation
(b)
In graphite carbon atom is $sp^{2}$ hybridised and has a delocalised $\pi$-electron cloud responsible for its high electrical conductivity.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.