ELEC 280 Fundamentals of Electromagnetics
Final Examination
10 April 2008
Instructor: Dr. Il-Min Kim
The examination is comprised of two parts: Part 1: short answer questions and Part
2: problems. Answer all questions of Part 1. And, answer 3 problems (ou
Problem 1
Problem 2.32 A 6-m section of 150- lossless line is driven by a source with
vg (t) = 5 cos(8 107t 30 ) (V)
and Zg = 150 . If the line, which has a relative permittivity r = 2.25, is terminated
in a load ZL = (150 j50) , determine:
(a) on the lin
ELEC 280 Fundamentals of Electromagnetics
Final Examination
11 April 2013
Instructor: Dr. Il-Min Kim
Answer all problems in the answer booklet provided.
Formula sheets are provided. You may use a GOLD sticker calculator.
Queens University policy states th
ELEC 280 Fundamentals of Electromagnetics
Final Examination
19 April 2011
Instructor: Dr. Il-Min Kim
The examination is comprised of two parts: Part 1: short answer questions and Part 2:
problems. Answer all questions and problems of Part 1 and Part 2. Us
ELEC 280 Fundamentals of Electromagnetics
Final Examination
27 April 2012
Instructor: Dr. Il-Min Kim
Answer all problems in the answer booklet provided.
Formula sheets are provided. You may use a GOLD sticker calculator.
Queens University policy states th
ELEC 280 Fundamentals of Electromagnetics
Final Examination
24 April 2009
Instructor: Dr. Il-Min Kim
The examination is comprised of two parts: Part 1: short answer questions and Part
2: problems. Answer all questions and problems of Part 1 and Part 2. Us
Problem 1.5 Two waves, y1 (t) and y2 (t), have identical amplitudes and oscillate at
the same frequency, but y2 (t) leads y1 (t) by a phase angle of 60 . If
y1 (t) = 4 cos(2 103t),
write the expression appropriate for y2 (t) and plot both functions over t