Question

 For transistor action, which of the following statements are correct:

• A. Base, emitter and collector regions should have similar size and doping concentrations.
• B. The base region must be very thin and lightly doped.
• C. The emitter junction is forward biased and collector junction is reverse biased.
• D. Both the emitter junction as well as the collector junction are forward biased.

Answer 1

The Correct Option is B, C

The correct statement is (B) and (C).
For a transistor action, the junction must be lightly doped so that the base region is very thin. Also, the emitter junction must be forward-biased and collector junction should be reverse-biased.