- #1

- 1

- 0

## Main Question or Discussion Point

Hello all. I am hoping someone could lend a hand. I need to determine the vector potential of a long wire. I am given the B-field = ([tex]\mu[/tex]I)/(2[tex]\pi[/tex]r) and I know at some point I will need to use [tex]\nabla[/tex] X A. Thanks in advance.