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EE 301 Final Examination: Electromagnetic Fields - Spring 2003 - Prof. Aziz S. Inan, Exams of Guiding Electromagnetic Systems

The final examination questions for the electromagnetic fields course (ee 301) offered by the school of engineering at university of portland in spring 2003. The exam covers topics such as shunt stub matching networks, uniform plane waves, and step-source excitation of transmission lines. Students are required to find the frequency, wavelength, magnetic field, total time-average power density, voltage waveforms, and bounce diagrams for various problems.

Typology: Exams

Pre 2010

Uploaded on 08/18/2009

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UNIVERSITY JF PJRTLAND
SchJJl Jf Engineering
EE 301-Electromagnetic Fields-3 cr. hrs.
Spring 2003
Final Examination
(Prepared by Professor A. S. Inan)
(Thursday, May 1, 2003, 8:00-10:00a.m.)
(Closed Book Exam; Formula Sheets Allowed)
Name:____________ ___________J
Signature:__________ _________ J
The philosopher should be a man willing to listen to every suggestion,
but determined to judge for himself. He should not be biased by
appearances, have no favorite hypotheses, be of no school, and in doctrine
have no master. He should not be a respecter of persons, but of things.
Truth should be his primary object. If to these qualities he add industry, he
may indeed hope to walk within the veil of the temple of Nature.
I do not feel that I possess anything extraordinary. If I do have the
pleasure of a special talent it must certainly be perseverance.
Michael Faraday (1791 1867)
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Download EE 301 Final Examination: Electromagnetic Fields - Spring 2003 - Prof. Aziz S. Inan and more Exams Guiding Electromagnetic Systems in PDF only on Docsity!

UNIVERSITY J F P J RTLAND

Sch JJ l J f Engineering

EE 301-Electromagnetic Fields-3 cr. hrs.

Spring 2003

Final Examination

(Prepared by Professor A. S. Inan)

(Thursday, May 1, 2003, 8:00-10:00a.m.)

(Closed Book Exam; Formula Sheets Allowed)

Name:____________ ___________ J

Signature:__________ _________ J

“ The philosopher should be a man willing to listen to every suggestion,

but determined to judge for himself. He should not be biased by

appearances, have no favorite hypotheses, be of no school, and in doctrine

have no master. He should not be a respecter of persons, but of things.

Truth should be his primary object. If to these qualities he add industry, he

may indeed hope to walk within the veil of the temple of Nature. ”

“ I do not feel that I possess anything extraordinary. If I do have the

pleasure of a special talent it must certainly be perseverance. ”

Michael Faraday (1791 −1867)

Points lost on each problem:

(1) (Total: 25 points) Single shunt stub matching network design. Design

a single short-circuited shunt stub matching network with the shortest

stub length to match a load impedance of = Ω

L

Z 200 to a transmission

line with characteristic impedance = 50 Ω

0

Z.

Z

0

l 1

R

L

l S,min

(3) (Total: 25 points) Step-source excitation of a parallel transmission

line system. Consider the transmission-line circuit shown.

(a) (10 points) Sketch the voltage ()

1

V t over the time interval

d

0 t 5 t.

Provide a bounce diagram to support the ()

1

V t sketch.

Z

0

=50 Ω , t d

Z

0

=50 Ω , t d

V 0.16 u ( t ) A 25 Ω 1

V

2

(b) (15 points) Repeat part (a) for the following circuit. Again, please

provide a bounce diagram.

Z

0

=50 Ω , t d

Z

0

=50 Ω , t d

V 0.16 u ( t ) A 25 Ω 1

Short-

circuit

terminated