"http://www.iso.org/iso/home/store/catalogue_tc/catalogue_detail.htm?csnumber=31891"^^ . "http://www.asknumbers.com/ElectricalConversion.aspx"^^ . "\\(J_s = \\rho_A v\\), where \\(\\rho_A\\) is surface density of electric charge and \\(v\\) is velocity."^^ . . . . "\"Linear Electric Linear Current Density\" is the electric current per unit length. Electric current, \\(I\\), through a curve \\(C\\) is defined as \\(I = \\int_C J _s \\times e_n\\), where \\(e_n\\) is a unit vector perpendicular to the surface and line vector element, and \\(dr\\) is the differential of position vector \\(r\\)."^^ . . . . . "J_s" . . . . "Linear Electric Current Density"@en . .