Coulomb's law

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Coulomb's law [1] [2] [3] provides an expression for the force, , between two charges, Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle q_1 q_2 } , and is given by

Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \mathbf{F}_{12} = \frac{1}{4\pi\varepsilon_0} \frac{q_1q_2(\mathbf{r}_1 - \mathbf{r}_2) }{ |\mathbf{r}_1 - \mathbf{r}_2|^3} }

where Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \varepsilon_0} is the electric constant, which has the value 8.854187817x10-12 Fm-1 [4]

References

Interesting reading