The heavily and lightly doped regions of a bipolar junction transistor are respectively

Base and emitter

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Base and collector

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Collector and base

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Collector and emitter

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Emitter and base

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Solution

The correct option is D Emitter and base
Emitter provides majority charge carrier by which current flows in the transistors. Therefore, the emitter semiconductor is heavily doped and the base region is light doped and thin.

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Similar questions

When is a transistor said to be in active state? Draw a circuit diagram of a p-n-p transistor and explain how it works as a transistor amplifier. Write clearly, why in the case of a transistor (i) the base is thin and lightly doped and (ii) the emitter is heavily doped.

For transistor action, which of the following statements are correct:

(a) Base, emitter and collector regions should have similar size and doping concentrations.

(b) The base region must be very thin and lightly doped.

(d) Both the emitter junction as well as the collector junction are forward biased.

Q. Define common emitter output characteristic for a transistor. Draw a circuit diagram for studying the characteristics of n-p-n transistor in common emitter configuration.
Among emitter, base and collector regions of a transistor which one is:
(a) largest in size and (b) most heavily doped?

Q. In n-p-n transistor, in CE configuration, identify true statements from the following :
(a) The emitter is heavily doped than the collector
(b) Emitter and collector can be interchanged
(c) The base region is very thin but is heavily doped
(d) The conventional current flows from base to emitter

Q.
Match List-1 with list-2

List-1	List-2
A. Emitter	E. Transistor
B. Base	F. Moderately doped
C. Collector	G. Lightly doped
D. Transfer of resistance	H. Heavily doped I. largest physical size

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The heavily and lightly doped regions of a bipolar junction transistor are respectively

The correct option is D Emitter and baseEmitter provides majority charge carrier by which current flows in the transistors. Therefore, the emitter semiconductor is heavily doped and the base region is light doped and thin.

The correct option is D Emitter and base
Emitter provides majority charge carrier by which current flows in the transistors. Therefore, the emitter semiconductor is heavily doped and the base region is light doped and thin.