What is a Coulomb's Law?

Encyclopedia
07/22/2024


What is a  Coulomb's Law?


Coulomb’s Law Definition


Coulomb’s law defines the force between two stationary, electrically charged particles, known as the electrostatic force.



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Electrostatic Force


The electrostatic force is directly proportional to the product of the charges and inversely proportional to the square of the distance between them.


 

Coulomb’s Law Formula


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Coulomb’s Constant


Coulomb’s constant (k) in a vacuum is approximately 8.99 x 10 N m²/C², and it varies with the medium.


 

Historical Background


Charles-Augustin de Coulomb formalized Coulomb’s law in 1785, building on earlier observations by Thales of Miletus.



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