Before revision: The total current density is the sum of the electron and hole components: Relation to conductivity We have previously derived the relationship between electron mobility and current density Now Ohm's Law can be written in the form where is defined as the conductivity.
After revision: The total current density is the sum of the electron and hole components: Relation to conductivity We have previously derived the relationship between electron mobility and current density Now Ohm's law can be written in the form where is defined as the conductivity.