hello everybody i'm a student to mechanical engineering and i'm in my last year of my studies. in this year i supose to make a project and in part of my project i need to know how to design a coil that will gives me 0.5 tesla inside the core of the coil. unfortunatly, after a lot of searches in the internet i still didn't know how to do that. it will be great if someone could help me to figure that problem. thank's to all.