Ye the thing is I have no clue on how to work that out, or what that means lol the teacher didn't explain it on how to calculate it or anything, so can you show me how to work it out please.
Electrical, Circuits, Ohmslaw etc help please
Homework Statement
Find the resistance of a copper conductor 300m in length if it has a CSA of 4mm2. The resistivity of copper is 1.72 x 10^-8m.
Homework Equations
This is all the information I have gotten from my teacher and i was wondering...