Q. For transistor action, which of the following statements is correct ?
A) Base, emitter and collector regions should have same size.
B) Both emitter junction as well as the collector junction are forward biased.
C) The base region must be very thin and lightly doped.
D) Base, emitter and collector regions should have same doping concentrations.
Explanation
[Solution] For transistor action the base must be very thin and lightly doped. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.