Revision history of "Chapter 30 Problem 18"

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  • curprev 12:12, 17 May 2020Obm talk contribs 1,297 bytes +1,297 Created page with "__NOTOC__ ==Problem== Calculate the magnetic and electric energy densities at the surface of a 3.0-mm-diameter copper wire carrying a 15-A current. ==Solution== <math>u_B=\fra..."