Hello!
I would like to ask you for help. Im student from slovenia, im studying 1. year electrical
engeniring. I apology for my bad english
. Im trying to calculate magnetic field around
box with measure ab and length l, it is like cable which is not round but square.
I allready calculate magnetic field around flat with width a and length l,
and i get B(x) and B(y) ( used Biot-savart law). I wonder if I can sum up flats and then
i get field around "square cable"? I need expresion Of B(x) an B(y) and i have no idea
how to start.