Question

what is the use of coloumb's law​

Answer 1

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Coulomb's law, or Coulomb's inverse-square law, is an experimental law of physics that quantifies the amount of force between two stationary, electrically charged particles. ... Coulomb's law can be used to derive Gauss's law, and vice versa.

Answer 2

Explanation:

Coulomb's law is the formula for electric force.

The two q's shown are charges both in the standard units coulombs. The r is the distance between the two charges in meters. The K is the electrical const.

. Coulomb's law however only provides the absolute value of the force to be felt due to the charges.

The law of attraction, stating that opposite charges attract and identical charges repel, is what you must use to decide the direction of the force. Two positives (or negatives) will repel each other while two opposite charges (positive and negative) will attract towards each other.