-
University of Toronto
Faculty of Applied Science and Engineering
Department of Mechanical and Industrial Engineering
Midterm Exam – October 22, 2014
MIE 342 – Circuits with Applications to Mechanical Engineering
Systems
Examiner: Sinisa Colic
(This exam paper has 11 pages including this cover page)
NAME: __________________________________
STUDENT NO:____________________________
Instructions to Candidate: GRADE: Duration: 110 minutes
Type A exam 1. _____/30
No aid materials permitted 2. _____/10
Calculators are permitted 3. _____/20
Maximum mid-term mark is 30% of final grade 4. _____/15
Answer questions in space provided 5. _____/15
Show steps leading to final answers 6. _____/10
TOTAL:
-
Page 2-11
Q1. Single Choice Problems (30 points). Clearly circle the
correct answer.
(1-1) Find the current i in the following circuit. (5 marks)
(1) 11.4mA (2) 10mA (3) 2.5mA (4) 45.7mA
(1-2) Determine the smallest value of Rf in order to saturate
the Op-Amp. (5 points)
(1) 500 Ω (2) 250 Ω (3) 650 Ω (4) 5k Ω
-
Page 3-11
(1-3) Circle the option that represents the Thévenin equivalent
of the circuit shown below. (5 points)
(1) A (2) B (3) C (4) D
-
Page 4-11
(1-4) Determine the equivalent inductance Leq as seen between
points a and b. (5 points)
(1) 2.9uH (2) 5uH (3) 1.7uH (4) 3.4uH
(1-5) Find the voltage across the capacitor at t = 40ms given
that the initial voltage across the capacitor
is 0V. (5 points)
(1) -2V (2) 4V (3) 400V (4) 2V
-
Page 5-11
(1-6) Shown below is the plot of the voltage response v(t) of a
parallel RLC network. Circle the option
that best describes this response. (5 points)
(1) Overdamped (2) Forced (3) Underdamped (4) Critically
Forced
-----------------------------------------------------Continue to
Q2--------------------------------------------------------
-
Page 6-11
-
Page 7-11
SinisaLine
SinisaArrow
SinisaTypewriteri
SinisaTypewriter
SinisaTypewriterb
SinisaTypewriter
-
Page 8-11
-
Page 9-11
-
Page 10-11
-
Page 11-11
-------------------------------------------------------------END---------------------------------------------------------
