Linked from

The 20 pages that link to Vacuum permittivity, each with the reason it gives.

• Coulomb's lawRelated: It appears in the SI expression for the Coulomb constant.

• Speed of lightRelated: Together with vacuum permeability, it determines the predicted electromagnetic wave speed.

• DielectricCompared with: It provides the reference value against which a dielectric’s permittivity is compared.

• Dielectric constantRelated: It is the reference value used to define relative permittivity.

• PermittivityBroader topic: It provides the reference value used to define relative permittivity.

• Fine-structure constantRelated: It appears in the SI expression for electromagnetic coupling strength.

• Coulomb potentialBroader topic: In vacuum, it determines the constant multiplying the charge product divided by separation.

• Electric displacement fieldRelated: It weights E in the defining expression D = ε₀E + P.

• Gauss's lawRelated: It converts enclosed charge into the flux specified by Gauss's law.

• Coulomb interactionRelated: It appears in the SI Coulomb force and potential formulas.

• Poynting vectorRelated: It appears in the SI expression using electric and magnetic field strength H.

• Relative permittivityRelated: It is the denominator in the definition of relative permittivity.

• Bohr radiusRelated: It appears in the Coulomb interaction used to derive the radius.

• Dielectric polarizationCompared with: Vacuum has no bound charges to polarize, unlike a dielectric medium.

• Vacuum permeabilityRelated: Together with μ₀, it determines the speed of electromagnetic waves in vacuum.

• Clausius–Mossotti relationRelated: It converts molecular polarizability into the dimensionless combination in the SI equation.

• Larmor formulaRelated: It appears in the SI expression that converts charge and acceleration into power.

• Impedance of free spaceRelated: The impedance is also the square root of vacuum permeability divided by this constant.

• Displacement current densityBroader topic: It sets the proportionality between changing electric field and displacement current density in vacuum.

• Heaviside–Lorentz unitsRelated: Heaviside–Lorentz conventions assign this constant the value one.