Coulomb's law

1.

(Physics) The law that the force exerted between two electric or magnetic charges is directly proportional to the product of the charges and inversely to the square of the distance between them.

Noun

1.

Coulomb's Law - a fundamental principle of electrostatics; the force of attraction or repulsion between two charged particles is directly proportional to the product of the charges and inversely proportional to the distance between them; principle also holds for magnetic poles

law, law of nature