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How does base current control collector current?
Hello, The base current controls the collector current when the transistor is in the active region. A transistor is made up of two PN junctions, an emitter junction and a collector junction. The active region is when the emitter junction is forward biased and the collector junction is reverse biased.
Does current flow from collector to base?
Current also flows from base to collector. Hopefully, that is also straightforward. In both cases, current is flowing across a forward biased junction when the transistor is in saturation. Due to transistor action, current also flows from collector to emitter.
How does the current flow through the collector-base?
Current flows from base to emitter. That is straightforward. Current also flows from base to collector. Hopefully, that is also straightforward. In both cases, current is flowing across a forward biased junction when the transistor is in saturation. Due to transistor action, current also flows from collector to emitter.
How does current flow in a NPN transistor?
In NPN transistor, the direction of movement of an electron is from the emitter to collector region due to which the current constitutes in the transistor. How does current flow? Current is flow of electrons, but current and electron flow in the opposite direction.
How does current flow in a bipolar junction transistor?
A transistor, also known as a BJT (Bipolar Junction Transistor), is a current driven semiconductor device which can be used to control the flow of electric current in which a small amount of current in the Base lead controls a larger current between the Collector and Emitter. Furthermore, how does current flow in BJT?
Which is more positive in a bipolar NPN transistor?
Also the Collector supply voltage is positive with respect to the Emitter ( V CE ). So for a bipolar NPN transistor to conduct the Collector is always more positive with respect to both the Base and the Emitter.