Q. In $p - n$ junction, the barrier potential offers resistance to
A) Free electrons in $n$-region and holes in $–$region
B) Free electrons in $p$-region and holes in $n$-region
C) Only free electrons in $n$-region
D) Only holes in $p$-region
Explanation
(a) In $p - n$ junction, the barrier potential offers resistance to free electrons in n-region and holes in $p$-region.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.