Q. Which of the following statements is correct?
A) Silicon doped with boron is an $n -$type semiconductor
B) Silicon doped with arsenic is a $p -$type semiconductor
C) Metals are good conductors of electricity
D) Electrical conductivity of semiconductors decreases with increasing temperature
Explanation
The correct answer is Option C: Metals are good conductors of electricity.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.