2010Spring_mid2 - 2. (15 points) A finite line charge is...

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EEL3470 Exam 2 Mar. 2, 2010 Open Book, Open Notes Name__________________________ 1. (15 points) In free space, find electric field at point [4 -8 7] from the following charges separately and then find the total electric field. (1) A 2.8 C point charge located at [8 2 -3] (2) An infinitely long uniform line charge with charge density 4 C/m passing two points [3 4 6] and [1 -2 7] (3) An infinite charged sheet (uniform -4 C/m 2 ) passing point [1 2 5] with normal direction pointing to [-3 4 4] (4) A dipole with dipole moment [6 -3 2] C.m located at [-1 3 2] (5) Total electric field of all the above
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Unformatted text preview: 2. (15 points) A finite line charge is nonuniformly distributed along x axis from x = 1 to 7. The line charge density is nC/m. Find electric field at point [1,3,8]. 3. (20 points) Electric potential V in free space is given in cylindrical system as: Find: (1) Electric field E (5 points) ; (2) Volume charge density (5 points); (3) Total charge within the volume defined by (5 points): (4) Energy density (3 points) and total energy within the volume defined in (3) (2 points). Answer: 1 (1) (2) (3) (4) (5) 2 3 (1) (2) (3) (4) MatLab Program (Optional for partial credits)...
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