KnowraVacuum permeabilityLinked fromLinked fromThe 5 pages that link to Vacuum permeability, each with the reason it gives.All 5Related 5Speed of lightRelated: It enters the classical expression connecting electromagnetic constants to light speed.Vacuum permittivityRelated: It pairs with ε₀ in the relation between electromagnetic constants and light speed.Poynting vectorRelated: It sets the SI conversion between magnetic field B and H in the vector's formula.Impedance of free spaceRelated: The impedance equals vacuum permeability multiplied by the speed of light.Heaviside–Lorentz unitsRelated: Its value is also set to one in the stated convention.