ECE-305-Lecture3

ECE-305-Lecture3 - Engineering Electro-Magnetics...

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Engineering Electro-Magnetics Engineering Electro-Magnetics ECE-305, Lecture 3 Dennis McCaughey, Ph.D. 26 January, 2010
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01/21/2010 Dennis McCaughey, ECE305,Spring 2010 2 Transformation Summary Transformation Summary ' ' ' ' Unit vectors at sin cos cos cos sin sin sin , cos sin , cos cos sin 0 , , ' , ' Rect r x y z r r s r r P a a a f f f f f f f f a T a a a T a TT I T T I a θ φ - = = = - = = = = = = angular to Spherical: ' Table 1.2 Speherical to Rectangular: Likewise for Rectangular-Cylindrical-Rectangular s r r s f T f f T f = =
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01/21/2010 Dennis McCaughey, ECE305,Spring 2010 3 Mutual Force Between 2 Charged Mutual Force Between 2 Charged Particles (Coulomb’s Law) Particles (Coulomb’s Law) ( 29 1 2 12 2 2 2 1 0 12 2 1 2 1 1 2 2 12 12 0 2 2 1 12 0 0 4 4 in newtons in coulombs , in meters 8.84 10 Farads/meter permittivity of free space Q Q a r r r r r r r Q Q r r Q r r πε ε - = - = - - = = × = F F Coulomb’s Law
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01/21/2010 Dennis McCaughey, ECE305,Spring 2010 4 Notes on Units
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This note was uploaded on 09/13/2011 for the course ECE 305 taught by Professor Staff during the Spring '08 term at George Mason.

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ECE-305-Lecture3 - Engineering Electro-Magnetics...

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