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Created March 10, 2017
Last modified December 24, 2020
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Components with 3 or more terminals, such as a BJT in a current controller circuit, have labeled terminal currents for each terminal.


This example is from the Labeling Voltages, Currents, and Nodes chapter of Ultimate Electronics Book. It illustrates an LED current controller, with all terminal currents labeled. The chapter explains an important rule for total current in multi-terminal components.


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