| For transistor action |
| (1) Base, emitter and collector regions should have similar size and 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 biased. |
| (4) Both the emitter-base junction as well as the base collector junction are forward biased. |
| Which one of the following pairs of statements is correct? |
A) (4) and (1)
B) (1) and (2)
C) (2) and (3)
D) (3) and (4)
Correct Answer: C
Solution :
| A transistor is mostly used in the active region of operation i.e.,, emitter base junction is forward biased and collector base junction is reverse based. |
| The base region must be very thin and lightly doped. |
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