exam2 - School of Electrical and Computer Engineering,...

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School of Electrical and Computer Engineering, Cornell University 1 ECE 303: Electromagnetic Fields and Waves Fall 2005 Exam 2 October 25, 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
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School of Electrical and Computer Engineering, Cornell University 2 Problem 1 (30 points) Consider a plane wave given by: () () r k j o i i e z y j x E r E r r r r . ˆ ˆ 3 ˆ 3 + = incident from free space upon a medium whose permittivity ε is 4 o . The plane of incidence is the x-z plane. The interface is at z= 0 as shown below. The frequency of the incident wave is ω . a) What is angle of transmission t θ ? Need a numerical value as an answer. b) What is the polarization of the incident wave (linear, right or left circular, right or left elliptical, etc)?
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exam2 - School of Electrical and Computer Engineering,...

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