Q. Which of the following statements is true for an $n$-type semiconductor?

A) The donor level lies closely below the bottom of the conduction band.
B) The donor level lies closely above the top of the valence band
C) The donor level lies at the halfway mark of the forbidden energy gap
D) None of the above
Explanation

(a) The donor level is found only in $n$-type semiconductors. The donor level lies closely below the bottom of the conduction band.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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