ECE 201, Spring 2015, Test 2
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Name
. It’s necessary to show the steps to solve the problems. A final correct answer without
the solving process will not be credited unless the answer is straightforward.
It’s a closed-book and closed-notes
ECE 201 Circuits I, Spring 2015
Homework #6
Assigned Monday, 2/23.
Due Monday, 3/2.
Reading assignment:
Textbook Pages 141 159, Chapter 5.
Topics covered: Thevenin and Norton equivalent circuits, maximum power transfer, and deltawye conversion
Problems (s
ECE 201 Circuits I, Spring 2015
Homework #10 Solutions
Chapter 7
Problem 53
Assume iL flows from left to right through the inductor in the diagram,
!
!
!"# = ! ! ! ! ! ! (0)
Problem 59
Chapter 8
ECE 201 Circuits I, Spring 2015
Homework #11 Solutions
Chapter 9
Problem 9
Problem 11
(a) !" = 1.227 A, ! = 0.355 s
(b) ! = 5.094 s
(c) = 1.039 s
Problem 13
(a) ! = 300.09 !.!"#! + 0.09 !".!"#! A, for t > 0.
ECE 201 Circuits I, Spring 2015
Homework #12 Solutions
Chapter 9
Problem 45
!
! = 4 !.! + 210! !" ! V, for t > 0.
When plotting the waveform, the second term can be neglected because it is
much smaller
ECE 201 Circuits I, Spring 2015
Homework #9 Solutions
Chapter 7
Problem 31
!" = 545.5 mF
Problem 32
!" = 2.333
Problem 37
Problem 41
Chapter 8
Problem 7
(a) ! 0 = 4 mA
(b) ! 0 + = 4 mA
!
ECE 201 Circuits I, Spring 2015
Homework #5
Assigned Wednesday, 2/11.
Due Wednesday, 2/18.
Reading assignment:
Textbook Pages 123 140, Chapter 5.
Topics covered: Superposition Principle, practical voltage and current sources, and source
transformation.
Pr
ECE 201, Spring 2015, Test 3 Name ’30 W5 A 5
April 10, 2015
1. It’s necessary to show the steps to solve the problems. A ﬁnal correct answer without
the solving process will not be credited unless the answer is straightforward.
2. It’s a closed-book and c
Syllabus
ECE 201 Circuits I, Spring 2015
Instructor: Dr. Yan Xu
Phone:
974-4389
Textbook:
Class:
Instructor office hours:
Final exam:
Grading:
Office: Min Kao 307
Email: [email protected]
Engineering Circuit Analysis, 8th Edition, Hayt, Kemmerly and Durbin,
Mc
% ECE 201
% Parallel RLC circuit
% Run this parameter file before start the SiluLink model.
% R < 250 ohms: overdamped
% R = 250 ohms: critically damped
% R > 250 ohms: underdamped
R = 2e3; % change this R value to observe different damping scenarios.
L
ECE201 Laboratory 1
Basic Electrical Equipment and
Ohms and Kirchhoffs Laws
(Created by Prof. Walter Green, Edited by Profs. M. J. Roberts and Y. Xu)
Spring 2015
Time
Location
Lab instructor
Students
Session 1
4:00pm 6:00pm,
Wednesday, January 28
MHK 333
ECE201 Laboratory 3
Introduction to Electric Transients
(Created by Prof. Walter Green, Edited by Profs. M. J. Roberts and Y. Xu)
Spring 2015
Time
Location
Lab
instructor
Students
Session 1
3:30pm 5:30pm
Monday 4/20
MHK 333
Cheng Cheng
[email protected]
ECE 201 Final Review
Final exam
10:15am 12:15pm, Tuesday May 5th, MHK 405
Closed-book, closed-notes.
One formula sheet (pink sheet) is allowed.
Calculator can be used. No other electronic
devices are allowed
ECE 201 Circuits I, Spring 2015
Homework #12
Assigned Wednesday 4/22.
Due 2:00pm, Wednesday, 4/29. Turn in your homework and Lab 3 report to my office at
MK 307. Electronic copies follow the same timeline, and should have good image quality.
Reading assig
ECE 201 Circuits I, Spring 2015
Homework #10
Assigned Tuesday 4/7.
Due Wednesday, 4/15.
Reading assignment:
Textbook Chapter 7, pp. 240 241.
Textbook Chapter 8, pp. 282 - 300.
Topics covered: Op amp circuits with capacitors and inductors, general solution
ECE 201 Circuits I, Spring 2015
Homework #7 Solutions
Problem 1
(a) !"# = 5 V
(b) !"# = 200 V
(c) !"# = 200 sin(5) V
Problem 4
(a) !"# = 10 V
(b) !"# = 2.2 V
(c) !"# . The two input terminal voltages are forced
ECE 201 Circuits I, Spring 2015
Homework #4 Solutions
Problem 7
1. In Equation 1, the variable v should be v1.
! !
2. The ! ! ! terms in Equations 1 and 2 should have the same R value.
3. The
! !
!
terms i
HOMEWORK SOLUTIONS
ECE 301, Spring 2016
Homework #3
Problem 2.50.
Solve for the node voltages shown in Figure P2.50. What are the new values of the node voltages after the
direction of the current source is reversed? How are the values related?
Figure P2.
HOMEWORK SOLUTIONS
ECE 301, Spring 2016
Homework #6
Problem 4.2.
An initially charged capacitance discharges through a resistance. At one time constant, what percentage of
the initial voltage remains? What percentage of the initial stored energy remains?
HOMEWORK SOLUTIONS
ECE 301, Spring 2016
Homework #2
Problem 1.31.
Define the term node as it applies in electrical circuits. Identify the nodes in the circuit of Figure P1.31.
Keep in mind that all points connected by ideal conductors are considered to be
ECE 201, Fall 2015, Test 2
Write your name on the back of the test.
October 7, 2015
It is necessary to show the steps to solve the problems. A final correct answer without the solving
process will not be credited unless the answer is straightforward.
Prob
ECE 201, Fall 2015, Quiz 5
Write your name on the back of the quiz.
October 2, 2015
It is necessary to show the steps to solve the problems. A final correct answer without the solving
process will not be credited unless the answer is straightforward.
Prob
ECE 201, Spring 2016, Test 2
Name
th
March 4 , 2016
It is necessary to show the steps to solve the problems. A final correct answer without the solving
process will not be credited unless the answer is straightforward.
Problem 1 (35 points)
A 2-terminal c
ECE 201, Fall 2016, Test 2
Write your name on the back of the test.
rd
October 3 , 2016
It is necessary to show the steps to solve the problems. A final correct answer without the solving
process will not be credited unless the answer is straightforward.