NEET2020Physics-Semiconductors
NEET 2020 Physics Transistors MCQ Question
Type: MCQ-conceptual-Medium-Class 12
For transistor action, which of the following statements is correct?
A
Both emitter junction as well as the collector junction are forward biased.
B
The base region must be very thin and lightly doped.
C
Base, emitter and collector regions should have same doping concentrations.
D
Base, emitter and collector regions should have same size.
Correct Answer
Option B
Detailed Explanation
For transistor action, the base region must be thin and lightly doped to allow efficient electron flow from the emitter to the collector.
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