This quantity is defined as the magnitude of the electric field divided by current density.
For semiconductors, this quantity is given by the reciprocal of fundamental charge times quantity mobility of electrons times electron density plus mobility of holes times hole density. Scattering of defects at low temperatures results in an uptick in this quantity according to the Kondo effect. The skin depth of a conductor is proportional to the square root of this quantity. This quantity can be divided by thickness to give the sheet form of a related quantity. This quantity is defined as the magnitude of the electric field divided by current density. Symbolized rho, it is multiplied by length over area to give a more widely used quantity, which is why it has units of Ohm meters. For 10 points, identify this quantity whose inverse is conductivity.
For semiconductors, this quantity is given by the reciprocal of fundamental charge times quantity mobility of electrons times electron density plus mobility of holes times hole density.
electrical resistivity [or specific electrical resistance; do not accept or prompt on \"resistance\"]