UMYERSITY OF ONTARIO INSTITUTE OF TECHNOLOGY
F'ACULTY OF'ENGINTEERING SCIENCE & APPLIED SCMNCE
ENGR 279AA
- ELECTRIC CIRCTIITS
Second Midterm Examination (Section II)
Monday the March 9,20A9; Time: 12.45 PM to 1.55 PM
(Duration of Exam: 80 Minutes)
Room No. University Pavilion J l0l
Student Name: Student No.:
INSTRUCTIONS: Important - Please read this section first!
1. This is a Limited Open Book Examination. Textbooks, notes, crib
sheets, PC etc. are NOT allowed. However, only a standard
calculator is permitted; it is your responsibility to eirsure your
calculator is in wor{<ing order. No sharing of calculators will be
permitted.
2. Steps in the solutions must be evident and assumptions, if any,
must be stated in order to gain full credits. Assume any missing
data, if required, and state them clearly.
Answer ALL FOUR Questions. In Question 4 you may choose to
answer either part (a) or part O).
The complete examination consists of FOUR (4) questions. Read
each question carefulty and ration your time accordingly. CHECK
YOT'R PAPER TO ENST'RE IT IS COMPLETE.
l. t5 2. 15 4. l5
Total 120
Return this Booklet
3.
4.
l5 3.
Good Luck-you may start now!
"University policy states that cheating including plagiarism, on an
examination is a scholastic offense. The commission of a scholastic
offense is affended by academic penalties, which mrght include expulsion
from the program. If you are eaught cheating there will be no second
wa
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uestion # I
(a) If the current through and the voltage across a component in an
electric circuit are
t(t) = l?cos(oot - 45o) c
v(t) - 2cos(6ot + fiSo)V,
the component is:
[1 Mark]
(A) Resistor
(B) Capacitor
(C) Inductor
(D) None of the above