Friday 8 March 2019

forces - The maximum distance for which Coulomb's law has been verified?


We know that Coulomb's law, $F_{12} = \frac{kq_1q_2}{r^2}$, was experimentally verified for small distances by Coulomb himself at the and of the XVIII century.



The question is what is the maximum distance, experimentally confirmed, between two charges for which Coulomb's law still holds?




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