lec17 - ECE 2112 -Lecture 17 Amperes law Integral relation...

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Lecture Notes for C-term 2009 Lecture 17 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_17 2 Lecture 17 Objectives • What is the magnetic field behavior inside and outside a cylindrical conductor? • How does magnetic shielding of a coax cable work? • What is the magnetic field inside a solenoidal coil?
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ECE2112_17 3
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Unformatted text preview: ECE 2112 -Lecture 17 Amperes law Integral relation I a dS J B d L Senclosed 2 2 ... 2 l B Current source Field behavior ECE2112_17 4 ECE 2112- Lecture 17 Solenoidal coil d NI B z Magnetic shielding No external magnetic field. Why? ECE2112_17 5 ECE 2112- Lecture 17 Toroidal Coil L NI B Also: no external magnetic field. Why?...
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lec17 - ECE 2112 -Lecture 17 Amperes law Integral relation...

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