Q.

For transistor action, which of the following statements is correct?

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a

Base, emitter and collector regions should have same doping concentrations

b

Base, emitter and collector regions should have same size

c

The base region must be very thin and lightly doped

d

Both emitter junction as well as the collector junctions are forward biased

answer is C.

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Detailed Solution

It is conceptual question

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E emitter region moderate and heavily doped
C region thick moderately doped
B region very thin and very lightly doped

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For transistor action, which of the following statements is correct?