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For transistor action:

(1) Base-emitter and collector regions should have similar size doping concentrations.

(2) The base region must be very thin and lightly doped.

(3) The emitter-base junction is forward biased and base-collector junction is reverse based.

(4) Both the emitter-base junction as well as the base-collector junction are forward biased

  • Option 1)

    (a) (3), (4)

  • Option 2)

    (b) (4), (1)

  • Option 3)

    (c) (1), (2)

  • Option 4)

    (d) (2), (3)

 

Answers (1)

best_answer

 

Transistor -

Three layered semiconducting device .

NPN or PNP

- wherein

1.    Emitter is heavily doped

2.    collector is moderately doped .

3.    Base is lightly doped & very thin

 

 

 

 


Option 1)

(a) (3), (4)

This option is incorrect

Option 2)

(b) (4), (1)

This option is incorrect

Option 3)

(c) (1), (2)

This option is incorrect

Option 4)

(d) (2), (3)

This option is correct

Posted by

divya.saini

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