3MiB, 4160x3120, equasion without B.jpg View SameGoogleiqdbSauceNAO aids Anonymous Sun 22 Dec 22:18:14 2019 No.11246401 ViewReplyOriginalReport Quoted By: https://www.scienceforums.net/topic/120798-poles-of-an-electromagnet-question/?tab=comments#comment-1126324