Thursday, 26 March 2020

electromagnetism - Electric charge attraction, unlike magnet attraction, can be neutralized, right?


If I put a magnet in a box of nails, it attracts lots of nails. If I put a hydrogen atom missing its electron (a hydron) near a bunch of electrons, it attracts exactly one electron and then it stops being attractive to the other electrons. This means that the attractiveness of electric charges can be neutralized whereas the attractiveness of magnets cannot, right?


I’m asking this because I’m thinking about modeling electricity using magnets but I realized that a limit of that model is that you can’t have two “neutralized” magnets (one representing the proton in a hydrogen atom and one representing the electron) not be attractive to a third magnet (representing another electron) passing nearby.




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