I prefer a version of that meme with She-Ra in the photo
this post was submitted on 02 Feb 2026
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Current is defined as the flow of positive charge. The fact that electrons, which are negatively charged, actually flow the opposite direction is irrelevant. The diagrams are still correct per the definition of current.
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There are situations where the charge carrier is positive (e.g. a positive ion flowing in a solution)
I guess it would work much more often, but also not all currents are electrons flowing (Eg ions, holes arguably). I doubt the convention causes much trouble for people
so like, on my old car stereo system, the positive was actually coming through the frame of the car? scrape a little spot under the bolt of a seat?
Red means on and green means off, I hate electricity.
Black means off?? What's up with green?
In a power plant when looking at your system (various breakers, busses, transformers ect) red is closed (on) and green is open (off). At least in my power plant in the US.
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