# Properties of Electric Conductor

A conductor of electricity is a material or substance which allows to flow of electric current when subjected to a potential difference. This electric current is continue to flow till the potential deference exists. For a given potential difference, the density of electric current in conductor represents how efficient a conductor is. Based on the resistivity the conductors can be classified into two categories i.e. low resistivity / high conductivity material and high resistivity / low conductivity materials.This general properties of a conductor are listed below –
In equilibrium condition the conductor exhibits the following properties –

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- Inductance
- The electric filed inside the conductor is zero
- The charge density inside the conductor is zero
- Free charge exists only on the surface of the conductor
- At the conductor surface, the electric field is normal to the surface.