When a transistor is used as an amplifier in | vedclass

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Question

(C) For a transistor to operate as an amplifier,it must be in the active region.In the active region,the base-emitter junction must be forward-biased

Vedclass · Accepted Answer

$1, 3$

Vedclass · Answer

(C) For a transistor to operate as an amplifier,it must be in the active region.In the active region,the base-emitter junction must be forward-biased to allow current flow from the emitter to the base.Therefore,statement $(1)$ is correct.To amplify the input signal,the signal is superimposed on the $DC$ biasing voltage applied to the base-emitter junction.Therefore,statement $(3)$ is correct.Statements $(2)$ and $(4)$ are incorrect because the base-collector junction must be reverse-biased in the active region,and the input signal is not applied to the base-collector junction.

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