Resistivity

Resistivity is the property of the material, defined as the resistance of wire of unit cross sectional area, and unit length of the material.

Resistance is the property of the object.

For example, let's take two copper wires, of different length and different cross sectional areas, so their resistances will be different, but the resistivity will be the same, because it's the property of copper itself and has nothing to do with wires being long or short or thin.

Regards,

Team,

TopperLearning.