CUET · PHYSICS · PYQ PAPER 2023
In a transistor :
(A) one of the outer layers is heavily doped and is called collector
(B) one of the outer layers is heavily doped and is called emitter
(C) the middle layer is very lightly doped and is called base
(D) one of the outer layer is moderately doped and is called emitter
(E) one of the outer layer is moderately doped and is called collector
Choose the correct answer from the options given below :
- A (A), (C) and (D) only
- B (B), (C) and (E) only
- C (C), (D) and (E) only
- D (A), (C) and (E) only
Answer & Solution
Correct Answer
(B) (B), (C) and (E) only
Step-by-step Solution
Detailed explanation
Emitter: heavily doped. (B) correct. Base: very lightly doped. (C) correct. Collector: moderately doped. (E) correct. Correct option: (B), (C) and (E) only.
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