What is the ratio of the change in collector current to the change in base current at a constant collector-emitter voltage, when the common emitter transistor is in active state, known as?

Tina Singh • 10.85K Points
Tutor II Physics

Q. What is the ratio of the change in collector current to the change in base current at a constant collector-emitter voltage, when the common emitter transistor is in active state, known as?

(A) Input resistance
(B) Output resistance
(C) Current amplification factor
(D) None of the above

Correct Answer - Option(C)

Explanation by: Tina Singh

Current amplification factor β: This is defined as the ratio of the change in collector current to the change in base current at a constant collector-emitter voltage (VCE) when the transistor is in active state.

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