lec21 - e m e m 2 • Magnetization vector and magnetic...

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Lecture Notes for C-term 2009 Lecture 21 Prof. R. Ludwig Department of Electrical and Computer Engineering Worcester Polytechnic Institute Worcester, MA ECE 2112 Electromagnetic Theory Copyright, 2000 © R. Ludwig
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ECE2112_21 2 Lecture 21 Objectives • How do you classify magnetic media? • What is the magnetization vector? • What is a hysteresis curve?
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ECE2112_21 3 ECE 2112 - Lecture 21 • Cause of magnetization is due to orbital motion and spin
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Unformatted text preview: e m e m 2 • Magnetization vector and magnetic susceptibility H H H M H B r m ) 1 ( e S m e m 2 H M m ECE2112_21 4 ECE 2112- Lecture 21 • Magnetization n j j v v 1 1 lim m M • Domain structure ECE2112_21 5 ECE 2112- Lecture 21 • Materials exhibit a hysteresis Soft materials hard materials...
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This note was uploaded on 10/13/2009 for the course ECE 2112 taught by Professor Ludwig during the Spring '09 term at WPI.

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lec21 - e m e m 2 • Magnetization vector and magnetic...

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