January 20, 2019

Coulomb’s law formula

Coulomb’s law, or Coulomb’s inverse-square law, is a law of physics for quantifying Coulomb’s force, or electrostatic force. The electrostatic force is the amount of force with which stationary, electrically charged particles either repel or attract each other.


Coulomb’s Law Formula is expressed as

Wherein,

q1 =magnitude of the first charge

q= magnitude of the second charge

r = distance between the two charges

k = Coulomb Constant ( 9 × 10-9 N m2/C)

Coulomb’s law formula is applied to calculate the force exerted on the charge and distance if these quantities are given.

The unit of Coulomb force is expressed in Newton (N).

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