lec10 - Lecture 10 Simplifying work statement N i i i j i N...

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Lecture Notes for C-term 2009 Lecture 10 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_10 2 Lecture 10 Objectives • How is electric work defined? • What is electric potential? • How is the potential related to the electric field?
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ECE2112_10 3 ECE 2112 - Lecture 10 | | 1 4 2 1 ) ( 1 0 1 j i N i j j j i N i total Q Q W r r  Mechanical Work Discrete charges b a b a e d Q d W l E l F
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ECE2112_10 4 ECE 2112
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Unformatted text preview: Lecture 10 Simplifying work statement N i i i j i N i j j j i N i total V Q Q Q W 1 ) ( 1 1 2 1 | | 1 4 2 1 r r Definition of voltage Continuous form of work V V e Vdv W 2 1 b a d V l E ECE2112_10 5 ECE 2112- Lecture 10 V E Connection between work and voltage Meaning of gradient? Note: Electrostatic potential is path-independent:...
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lec10 - Lecture 10 Simplifying work statement N i i i j i N...

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