**20+ Cross Sectional Area Of Wire Pics**. Because each successive gauge number increases cross sectional area by a constant multiple, diameters vary geometrically. The area of that end is the cross section area, which is pi x r^2.

A larger cross section area results in lower resistance per foot when the type of wire is the same. A larger cross section area results in lower resistance per fo. Because of the increase of the cross section, the resistance of the wire was decreased, so we have to compensate this decrease by a proper increase of its length.

### This means that in american wire gage every 6 gauge decrease gives a doubling of the wire diameter, and every 3 gauge decrease doubles the wire cross sectional area.

Wire gauge amg mm cross sectional area es: The values are guidelines − exact values will depend on the type of wire and operating conditions such as ambient temperature, thermal conductivity of the surroundings. Wire gauge amg mm cross sectional area es: The area of that end is the cross section area, which is pi x r^2.