Sunday, 3 December 2017

Why does water damage low-voltage microelectronics so easily?


Everybody has had the time where water gets all over their electronics, and the whole thing gets ruined, like cell phones.


At that low of a voltage (3-5 volts), I don't understand why it is such a short-term harm (long term makes sense - corrosion, etc.)


If an LED was in parallel with water, maybe a bit more current would be drawn, but it doesn't seem to be enough at all to short out the system, and the LED would still shine.


So what is it that permanently damages some electronics and what is the cause?




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