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→Equation
===Equation===
<math>F=\dfrac{1}{4 \pi \epsilon_0varepsilon_0} \dfrac{q_1q_2}{r^2}</math>
Where;
<math>F</math> = The [[force]] acting between the [[Electrical Charge|charged particles]]
<math>\epsilon_0varepsilon_0</math> = The [[Permittivity of Free Space]] (<math>8.85\times10^{-12}Fm^{-1}</math>)
<math>q_1</math> = The [[Electrical Charge|charge]] on one [[particle]].
The definition can be derived from the equation by considering;
<math>\dfrac{1}{4 \pi \epsilon_0varepsilon_0}</math> is a constant so the left hand side and right hand side are [[proportional]].
<math>q_1q_2</math> is the product of the [[Electrical Charge|charges]].