Q. In the depletion region of an unbiased $P$-$N$ junction diode there are
A) Only electrons
B) Only holes
C) Both electrons and holes
D) Only fixed ions
Explanation
The correct answer is Option D: Only fixed ions.
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.