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Unformatted text preview: School of Electrical and Computer Engineering, Cornell University 1 ECE 303: Electromagnetic Fields and Waves Fall 2005 Exam 1 September 27, 2005 INSTRUCTIONS: • Only work done on the blue exam booklets will be graded – do not attach your own sheets to the exam booklets under any circumstances • Every problem must be done in a separate blue booklet – so you must have 3 separate blue booklets before starting the exam • To get partial credit you must show all the relevant work • Correct answers with wrong reasoning will not get points • All questions do not carry equal points • All questions do not have the same level of difficulty DO NOT WRITE IN THIS SPACE School of Electrical and Computer Engineering, Cornell University 2 Problem 1 (30 points) Consider a line-current in the form of a loop and carrying a current I , as shown in the figure below. The loop resides entirely in the x-y plane. The current loop has four different segments labeled A , B , C , and D . You need to find the magnetic field at the point P (origin). Note that segments A and C are arcs with center at the origin. The total magnetic field center at the origin....
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This homework help was uploaded on 09/20/2007 for the course ECE 3030 taught by Professor Rana during the Fall '06 term at Cornell.
- Fall '06
- Electromagnet, Cornell University, Coordinate system, Polar coordinate system, current loop, School of Electrical and Computer Engineering