NEET 2020

NEET 2020 Physics question on Semiconductor Electronics

For transistor action, which of the following statements is correct?
  1. A.
    Base, emitter and collector regions should have same size.
  2. B.
    Both emitter junction as well as the collector junction are forward biased.
  3. C.
    The base region must be very thin and lightly doped.
  4. D.
    Base, emitter and collector regions should have same doping concentrations.
Show answer

Correct option: C

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