Q. The cause of the potential barrier in a $P$-$N$ diode is

A) Depletion of positive charges near the junction
B) Concentration of positive charges near the junction
C) Depletion of negative charges near the junction
D) Concentration of positive and negative charges near the junction
Explanation

The correct answer is Option D: Concentration of positive and negative charges near the junction.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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