In the active region operation of a transistor: (a) the...

Name: Problem 30, Chapter 34: Arihant AIEEE Physics
Uploaded: 2021-09-08T15:32:45-08:00
Duration: 1 min 30 s
Channel: Ajay Singhal
Description: In the active region operation of a transistor: (a) the collector-emitter junction is forward biased (b) the collector-emitter junction is reverse biased (c) the collector-base junction is forward biased and the emitter junction is reverse biased (d) the collector junction is reverse biased and emitter-base junction is forward biased

In the active region operation of a transistor: (a) the collector-emitter junction is forward biased (b) the collector-emitter junction is reverse biased (c) the collector-base junction is forward biased and the emitter junction is reverse biased (d) the collector junction is reverse biased and emitter-base junction is forward biased

In the active region operation of a transistor:
(a) the collector-emitter junction is forward biased
(b) the collector-emitter junction is reverse biased
(c) the collector-base junction is forward biased and the emitter junction is reverse biased
(d) the collector junction is reverse biased and emitter-base junction is forward biased

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Key Concepts

Bipolar Junction Transistor (BJT)

A semiconductor device with three layers (emitter, base, and collector) and two p-n junctions, used for amplification and switching. Its functionality is determined by the biasing of these junctions, making it sensitive to voltage and current changes in its operation.

Active Region Operation

The mode in which a BJT is operated for amplification purposes, where the emitter-base junction is forward-biased and the collector-base junction is reverse-biased. This configuration enables effective injection of charge carriers from the emitter and their efficient collection by the collector, ensuring linear performance above a certain threshold.

Junction Biasing

The process of applying external voltages to the p-n junctions of the transistor to control its operating mode. Proper biasing ensures that one junction (emitter-base) is forward-biased to allow carrier injection, while the other (collector-base) is reverse-biased to facilitate the collection of these carriers, crucial for proper transistor operation.

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