Thread: resistivity

does the resistivity of the wire depends on its length and area

It is important to distinguish resistivity and resistance.

The resistivity depends on the material not the dimensions. It is a measure of how much the metal (or whatever) resists the flow of current.

The resistance of a wire depends on the resistivity, the length and the area. Increasing the length increases the resistance (a great length of "stuff" for the current to force its way through). Increasing the area decreases the resistance (more paths for the current to take, or like a wider pipe).

More detail here if needed: Resistance and Resistivity

thanx a lot 4 answering

Temperature too.