Photo transistor (Transistor Photo) consists of a photo diode that is plugged in between the legs of the transistor base with College actor. Figure 2.1 the flow occurs from the changes of the light with the transistor (Transistor) in order to use photo transistor junction base-Izumi Province (Base-Emitter), the Bai (Reverse Bias) assumption that this is the best joints that cause changes to flow based on light intensity.
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