So lately I was speculating why nature choose the number 2 in Coulomb's law like why not 2.$10^{100}$ trailing zeros and then 1 or anything else. I find 2 a bit arbitrary the given explanation being the cancellation of 2 while applying Gauss law in 3d space. So my question is, is there any fundamental explanation for this fact like from QED or something like that?
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Possible duplicates: https://physics.stackexchange.com/q/93/2451 and links therein. – Qmechanic Mar 24 '18 at 19:07
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yes there is, have you researched this on wikipedia for example? – niels nielsen Mar 24 '18 at 19:38
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Other related questions: https://physics.stackexchange.com/questions/64673/precision-of-coulombs-law https://physics.stackexchange.com/questions/220250/the-maximum-distance-for-which-coulombs-law-has-been-verified – dmckee --- ex-moderator kitten Mar 24 '18 at 21:34