6.641,Electromagnetic Fields,Forces,and Motion Prof.Markus Zahn Lecture 8:Magnetization I.Magnetic Dipoles 木L=m。wR12=-2mm e v=wRi中 R 21= ew 2n Figure 5-16 The orbiting electron has its magnetic moment m in the direction opposite to its angular momentum L because the current is opposite to the electron's velocity. Courtesy of Krieger Publishing.Used with permission. m =/ds Figure 5-14 A magnetic dipole consists of a small circulating current loop.The magnetic moment is in the direction normal to the loop by the right-hand rule. Courtesy of Krieger Publishing.Used with permission. 6.641,Electromagnetic Fields,Forces,and Motion Lecture 8 Prof.Markus Zahn Page 1 of 136.641, Electromagnetic Fields, Forces, and Motion Lecture 8 Prof. Markus Zahn Page 1 of 13 6.641, Electromagnetic Fields, Forces, and Motion Prof. Markus Zahn Lecture 8: Magnetization I. Magnetic Dipoles Courtesy of Krieger Publishing. Used with permission. Courtesy of Krieger Publishing. Used with permission