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en.wikipedia.org/wiki/Coulomb's_law

Coulomb's constant is a proportionality factor that appears in Coulomb's law as well as in other electric-related formulas. The value of this constant is dependent upon the medium that the charged objects are immersed in. Denoted k e, it is also called the electric force constant or electrostatic constant, hence the subscript e.

en.wikipedia.org/wiki/Coulomb's_constant

The Coulomb constant, the electric force constant, or the electrostatic constant (denoted k e, k or K) is a proportionality constant in electrodynamics equations. The value of this constant is dependent upon the medium that the charged objects are immersed in.

encyclopedia2.thefreedictionary.com/Electrostatic+force+constant

Related to Electrostatic force constant: Coulomb force, Coulomb repulsion, Coulomb's constant Coulomb's law (ko͞o`lŏmz) , in physics, law stating that the electrostatic force between two charged bodies is proportional to the product of the amount of charge on the bodies divided by the square of the distance between them.

www.introduction-to-physics.com/electrostatic-force.html

The electrostatic force also called electric force or electrical force is the force of attraction or repulsion between two charged objects or particles. ... k is called the proportionality constant or electrostatic constant. k = 9,000,000,000 N.m 2 /C 2. Notice that in Coulomb's law, we take the absolute value of the quantity of charge. ...

simple.wikipedia.org/wiki/Electrostatic_Force_Constant

The symbol k is a proportionality constant known as the Coulomb's law constant. The value of this constant is dependent upon the medium that the charged objects are immersed in.

www.thefreedictionary.com/Electrostatic+force+constant

Define Electrostatic force constant. Electrostatic force constant synonyms, Electrostatic force constant pronunciation, Electrostatic force constant translation, English dictionary definition of Electrostatic force constant.

www.omnicalculator.com/physics/coulombs-law

Coulomb's law is formulated as follows: F = Ke * q₁ * q₂ /r². where: F is the electrostatic force between charges , q₁ is the magnitude of the first charge (in Coulombs), q₂ is the magnitude of the second charge (in Coulombs), r is the shortest distance between the charges (in m), Ke is the Coulomb's constant.

www.phys.ufl.edu/~korytov/phy2049/old_notes/all_chapters.pdf

Electrostatic Force and Electric Charge Electrostatic Force (charges at rest ): • Electrostatic force can be attractive • Electrostatic force can be repulsive • Electrostatic force acts through empty space • Electrostatic force much stronger than gravity • Electrostatic forces are inverse square law forces ( proportional to 1/r 2)

www.physicsclassroom.com/class/estatics/Lesson-3/Coulomb-s-Law

The value of this constant is dependent upon the medium that the charged objects are immersed in. In the case of air, ... In the equation F elect = k • Q 1 • Q 2 / d 2, the symbol F elect represents the electrostatic force of attraction or repulsion between objects 1 and 2.

www.britannica.com/science/Coulomb-force

Coulomb force, also called electrostatic force or Coulomb interaction, attraction or repulsion of particles or objects because of their electric charge.One of the basic physical forces, the electric force is named for a French physicist, Charles-Augustin de Coulomb, who in 1785 published the results of an experimental investigation into the correct quantitative description of this force.