this post was submitted on 28 Sep 2024
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submitted 1 month ago* (last edited 1 month ago) by narwhal@mander.xyz to c/science_memes@mander.xyz
 
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[–] grozzle@lemm.ee 3 points 1 month ago

adding to abnorc's excellent answer - circuit diagrams are all drawn as if charge carriers are positive (this is called "conventional current"), but because electrons are negative, this can get very confusing when you're dealing with components where the flow of charge is one-way only (diodes, transistors, batteries, photometers...)