IEVref: 705-03-09 ID: Language: en Status: Standard Term: conducting medium Synonym1: Synonym2: Synonym3: Symbol: Definition: the medium in which a variable electric field produces an electric current density vector $\stackrel{\to }{J}$ whose magnitude in a given direction is large relative to that of the vector $\frac{\partial \stackrel{\to }{D}}{\partial t}$ in a particular frequency band NOTE 1 – For a sinusoidal wave in an isotropic medium, the medium is conductive if the following relation is satisfied: $\frac{\sigma }{{\epsilon }_{0}\omega }\gg {\epsilon }_{\text{r}}^{\prime }$ where ${\epsilon }_{\text{r}}^{\prime }$ is the relative real permittivity, ε0 is the electric constant, σ is the conductivity, ω is the angular frequency. NOTE 2 – An anisotropic medium may be conducting only in certain directions. Publication date: 1995-09 Source: Replaces: Internal notes: 2017-06-02: Cleanup - Remove Attached Image 705-03-093.gif 2017-06-02: Cleanup - Remove Attached Image 521-09-023.gif 2017-06-02: Cleanup - Remove Attached Image 705-03-072.gif CO remarks: TC/SC remarks: VT remarks: Domain1: Domain2: Domain3: Domain4: Domain5: