For transistor action, which of the following statement is correct?
A
Both emitter junction as well as collector junction are forward biased.
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B
The base reason must be very thin and lightly doped.
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C
Base, emitter and collector regions should have same doping concentration.
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D
Base, emitter and collector regions should have the same size.
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Solution
The correct option is B The base reason must be very thin and lightly doped. For the transistor, all three layers are of different width.
The order of width of three layers are as, Base<Emitter<Collector