************************** EM Free Space Permeability ************************** :: EM Free Space Permeability = ----------------------- **Description / Usage** ----------------------- This sets the electromagnetic free space permittivity, :math:`\mu_0` for Time-Harmonic Maxwell problems Value of the electromagnetic free space permittivity ------------ **Examples** ------------ Following is a sample card: :: EM Free Space Permeability = {4*PI*1e-7} ------------------------- **Technical Discussion** -------------------------