Reverse wiring bipolar junction transistor emitter collector terminals problems

Reverse wiring the collector and emitter of a bipolar junction transistor (BJT) is really easy mistake to make, and not realize that you have done so. An NPN BJT collector should be more positive than it’s emitter. While the PNP BJT collector should be more negative than it’s emitter. However, if those polarities get reversed, the transistor circuit will likely keep working normally as long as low enough voltages are used. Mostly products used in my videos. Also, please subscribe to my YouTube channel!
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The problem with connecting 2N3904 NPN BJT collector emitter backwards in electronic circuits Patrons can see this diagram at

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