![Why would you use a BJT in this reverse polarity protection circuit, and what happens when the cell is completely drained? : r/engineering Why would you use a BJT in this reverse polarity protection circuit, and what happens when the cell is completely drained? : r/engineering](http://blog.deconinck.info/public/Reverse_polarity_protection/battery_protection_low_rdson_mosfet_simpler_clean.png)
Why would you use a BJT in this reverse polarity protection circuit, and what happens when the cell is completely drained? : r/engineering
What are the differences between a bipolar junction transistor (BJT) and a field-effect transistor (FET)? Can you substitute one for the other in most cases without changing the circuit? - Quora
![transistors - BJT Active Region - Biasing of BE and BC junction - Electrical Engineering Stack Exchange transistors - BJT Active Region - Biasing of BE and BC junction - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/Bd6BM.png)