Question

active regions is region between ​

Answer 1

The region between cut off and saturation is known as active region. In the active region, collector-base junction remains reverse biased while base-emitter junction remains forward biased. Consequently, the transistor will function normally in this region.

Answer 2

Answer: The active region encompasses the area that lies between the cutoff and saturation points. The collector-base junction stays reverse biased, while the base-emitter junction remains forward biassed in the active area. As a result, the transistor will perform as expected in this area.

Explanation:

• We call this cut-off point when a load line intersects an IB=0 curve, At this time, IB is equal to 0 and the only current flowing through the collector is the collector leakage current ICEO.
• When the power is turned off, the base-emitter junction is no longer forward biased, resulting in the loss of normal transistor operation. Cut-off voltage is very close to the collector voltage (VCC).
• It's called saturation when the load line intersects the sat curve.
• The base current and collector current are both at their maximum at this moment.
• Normal transistor operation is lost when the collector-base junction is no longer reverse biased at saturation.
• The area between the cut off and saturation points is referred to as the active region.
• In the active area, the collector-base junction always maintains its reverse bias, while the base-emitter junction always maintains its forward bias. As a consequence of this, the transistor will operate normally in this part of the circuit.

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