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Coulomb's law
Coulomb's law
or
Coulomb's
inverse-square law
, is a
law
of
physics
describing the
electrostatic
interaction between
electrically charged
particles. The law was first published in 1784 by French physicist
Charles Augustin de Coulomb
and was essential to the development of the
theory of electromagnetism
. It is analogous to
Isaac Newton
's inverse-square
law of universal gravitation
. Coulomb's law can be used to derive
Gauss's law
, and vice versa. The law has been
tested heavily
, and all observations have upheld the law's principle.
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