vacuumPermeability constant
double
const vacuumPermeability
Vacuum permeability (μ₀). Value: 4π×10⁻⁷ H/m.
Exact value by definition.
Note: This would ideally be a MagneticPermeability quantity.
Implementation
static const double vacuumPermeability = 4.0e-7 * 3.14159265358979323846;