For a BJT, do the polarities of VBE, VCE, and VCB depend on the polarities of VBB and VCC, or do they remain fixed for a transistor acting in any region among
![Characteristic curves of BJT bipolar junction transistor, using Qucs simulator tools for DC analysis and parameter scanning. — Steemit Characteristic curves of BJT bipolar junction transistor, using Qucs simulator tools for DC analysis and parameter scanning. — Steemit](https://steemitimages.com/640x0/https://res.cloudinary.com/hpiynhbhq/image/upload/v1519176862/tr9utjkjzhrvez0wavvm.png)
Characteristic curves of BJT bipolar junction transistor, using Qucs simulator tools for DC analysis and parameter scanning. — Steemit
![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
![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)