Coulomb's law

E157380

Coulomb's law is a fundamental principle of electrostatics that quantifies the electric force between two point charges as being proportional to the product of their charges and inversely proportional to the square of the distance between them.

All labels observed (6)

Label Occurrences
Coulomb's law canonical 5
Coulomb’s law 3
Coulomb force 1

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf law of electrostatics ⓘ
physical law ⓘ
appliesTo point charges ⓘ
stationary charges ⓘ
assumes charges are in vacuum or air (approximation) ⓘ
charges are point-like ⓘ
charges are stationary ⓘ
constantApproximateValue k ≈ 8.9875517923 × 10^9 N·m^2/C^2 ⓘ
constantSymbol k ⓘ
ϵ0 ⓘ
dependsOn inverse square of separation distance ⓘ
product of the two charges ⓘ
describes electrostatic force between point charges ⓘ
discoveredBy Charles-Augustin de Coulomb ⓘ
domain classical electromagnetism ⓘ
experimentalBasis torsion balance experiments ⓘ
field electromagnetism ⓘ
electrostatics ⓘ
forceType central force ⓘ
inverse-square force ⓘ
hasFormula F = (1 / 4πϵ0) q1 q2 / r^2 ⓘ
F = k q1 q2 / r^2 ⓘ
historicalPeriod 18th century ⓘ
involvesQuantity Coulomb constant ⓘ
distance between charges ⓘ
electric charge ⓘ
electric force ⓘ
vacuum permittivity ⓘ
isSpecialCaseOf Maxwell's equations in electrostatic limit ⓘ
linked to: Maxwell's equations
mathematicalForm scalar and vector forms ⓘ
namedAfter Charles-Augustin de Coulomb ⓘ
predicts attractive force for opposite charges ⓘ
repulsive force for like charges ⓘ
relatedConcept Coulomb potential ⓘ
linked to: Coulomb's law

Gauss's law ⓘ
linked to: Gauss’s law

electric field ⓘ
inverse-square law ⓘ
relates magnitude of electric force to charges and distance ⓘ
states electrostatic force is inversely proportional to the square of the distance between charges ⓘ
electrostatic force is proportional to the product of the charges ⓘ
unitAssociated coulomb ⓘ
usedIn Gauss's law derivation for point charges ⓘ
electrical engineering analysis ⓘ
introductory physics education ⓘ
usedToDerive electric field of a point charge ⓘ
principle of superposition for electrostatic forces ⓘ
validWhen medium is linear, homogeneous, and isotropic ⓘ
vectorForm F⃗ = (1 / 4πϵ0) (q1 q2 / r^2) r̂ ⓘ
yearProposed 1785 ⓘ

How these facts were elicited

Referenced by (12)

Full triples — surface form annotated when it differs from this entity's canonical label.

Gauss's law → relatedConcept → Coulomb's law ⓘ
subject linked to: Gauss’s law
Gaussian units → relatedConcept → Coulomb law ⓘ
linked to: Coulomb's law
Coulomb's law → relatedConcept → Coulomb potential ⓘ
linked to: Coulomb's law
coulomb → appearsInLaw → Coulomb’s law ⓘ
linked to: Coulomb's law
Debye–Hückel theory → basedOn → Coulomb’s law ⓘ
linked to: Coulomb's law
Charles-Augustin de Coulomb → knownFor → Coulomb's law ⓘ
Coulomb constant → appearsIn → Coulomb’s law ⓘ
linked to: Coulomb's law
Biot–Savart law → relatedTo → Coulomb's law ⓘ
Biot–Savart law → analogousTo → Coulomb's law for electric fields ⓘ
linked to: Coulomb's law
Coulomb potential → generatesForce → Coulomb force ⓘ
linked to: Coulomb's law
Coulomb potential → relatedTo → Coulomb's law ⓘ
Static Electrification → relatedTo → Coulomb's law ⓘ