Synopsis
This course introduces basic electrical engineering principles and technology to students outside the electronics and communication curriculum.
Announcements
 Information regarding final exam
 Check this course website regularly.
 Date: 14 May 2015
 TIME: 09:00  12:00
 ROOMs: BKD 25012, 2506, 2601, 2602
 You will need a calculator. Make sure that you can work quickly with calculation involving complex numbers.
 7 Pages: 1 cover page + 6 worksheet pages
 Closed book. Closed notes.
 One A4 sheet allowed.
 Must be handwritten. No small pieces of paper notes glued/attached on top of it.
 Indicate your name and ID on the upper right corner of the sheet (in portrait orientation).
 Submit your A4 sheet with your final exam. (You can get it back from me next semester.)
 Cover all the materials that we discussed in class upto Chapter 10. (The emphasis is on the materials discussed after the midterm. However, to solve some questions, you will still need some skills learned before the midterm.)
 Material Distribution (scorewise; rounded to nearest multiples of 5):
 Chapter 5 (opamp): 5%
 Chapter 6: 10%
 Chapter 79 (AC): 60%
 Chapter 10 (1st order): 25%
 These notes are provided for your studying pleasure....
 All postmidterm annotated notes
 All postmidterm HWs and solutions
 Solutions for Quiz 35
 Extra practice questions (from the tutorial sessions)
 Sample exam (from 2010)
 Note that many of the problems were in the HWs. So, you may find their solutions in the HW solutions.
 Material Distribution (scorewise; rounded to nearest multiples of 5):
 Announcement slides [Last updated: May 6]
 Class is canceled on April 16.
 Midterm Results: Mean 60, Std 24
 Information regarding midterm exam
 Check this course website regularly for breaking news about the midterm.
 Date: 5 Mar 2015
 TIME: 09:00  12:00
 ROOMs: BKD 3xxx
 9 pages (including 1 cover page)
 9 Questions
 Closed book. Closed notes. No cheat/study sheet.
 Basic calculators (fx991) are permitted, but borrowing is not allowed. You will need it for solving simultaneous equations.
 Cover all the materials that we discussed in class and practice in the HWs.
 Approximate Material Distribution (scorewise; rounded to nearest multiples of 5):
 Chapter 1: 5%
 Chapter 2: 30%
 Chapter 3: 20%
 Chapter 4: 35%
 Chapter 5: 10%
 All annotated notes [Posted @ 12:30AM on Mar 1]
 All HWs and solutions (Note that only a part of one question is graded. So, read the solutions even when you get a 5.)
 All quizes and solutions [Posted 2:30PM on Mar 3]
 Approximate Material Distribution (scorewise; rounded to nearest multiples of 5):
 Sample exam (from 2009) [Updated @ 6PM on Feb 25]
 Annotated version [Posted @ 6PM on Feb 25]
 This site can be accessed via ecs203.prapun.com.
 A crude RSS feed is provided. You may find it useful for following class updates.
 Welcome to ECS203! Feel free to look around this site.
General Information
 Instructor: Asst. Prof. Dr.Prapun Suksompong (prapun@siit.tu.ac.th)
 Course Syllabus [Last updated @ 2PM on Jan 13]
 Office Hour:
 Tuesday 9:3010:30
Tuesday 13:3014:30
Thursday 13:3014:30
 Tuesday 9:3010:30
 Please feel free to ask any question or express any concern after class.
 Required Textbook: C.K. Alexander and M.N.O. Sadiku, Fundamentals of Electric Circuits, 5th ed., McGrawHill, International Edition, 2013. (TK454 A452 2013)
 References
 J. D. Irwin, Basic Engineering Circuit Analysis, John Wiley & Sons, 2002 (TK454 I78 2002).
 A. Agarwal and J. Lang, Foundations of Analog and Digital Electronic Circuits, Morgan Kaufmann, 2005
 J. O'Malley, Schaum's Outline of Theory and Problems of Basic Circuit Analysis, 2nd Edition, 1992 (TK454 O46 1992).
Handouts and Course Material
 Slides: Introduction to ECS 203 [Posted @ 2PM on Jan 13]
 Lecture Notes: Part 1A [Posted @ 12PM on Jan 13]
 Annotated version for ch 1 [Posted @ 3PM on Jan 14; Updated @ 11AM on Jan 15 and @ 4PM on Jan 21]
 Annotated version for ch 2 [Posted @ 4PM on Jan 21; Updated @ 1PM on Jan 22, @ 4PM on Jan 28, and @ 1:30PM on Jan 29]
 Solution for Quiz 1 [Posted @ 8:30PM on Feb 1]
 Lecture Notes: Part 1B [Fixed @ 12PM on Jan 22]
 Annotated version for ch 3 [Posted @ 1:30PM on Jan 29; Updated @ 3PM on Feb 4, @ 11AM on Feb 5, and @ 3:30PM on Feb 11]
 Solution for Quiz 2 [Posted @ 2:30PM on Mar 3]
 Annotated version for ch 4 [Posted @ 3:30PM on Feb 11; Updated @ 11AM on Feb 12, @ 4PM on Feb 18, @ 11AM on Feb 19, and @ 6PM on Feb 25]
 Lecture Notes: Part 1C [Posted @ 12PM on Feb 11]
 Annotated version for ch 5 [Posted @ 6PM on Feb 25; Updated @ 11AM on Feb 26, @ 5PM on Mar 18, and @ 1PM on Mar 19]
 Lecture Notes: Part 2A [Posted @ 9AM on March 17]
 Annotated version for ch 6[Posted @ 1PM on Mar 19; Updated @ 3PM on Mar 25 and @ 11AM on Mar 26]
 Slides for chapter 67 [Posted @ 3PM on Apr 1]
 Solution for Quiz 3 [Posted @ 3:30PM on Mar 25]
 Solution for Quiz 4 [Posted @ 10:30PM on Apr 3]
 Annotated version for ch 7[Posted @ 3PM on Apr 1; Updated @ 2:30PM on Apr 2, @ 3:30PM on Apr 8, and @ 1PM on Apr 8]

Annotated version for ch 8 [Posted @ 1PM on Apr 8; Updated @ 3PM on Apr 22 and @ 11:30AM on Apr 23]
 Lecture Notes: Part 2B [Posted @ 11AM on Apr 21]

Annotated version for ch 9 [Posted @ 11:30AM on Apr 23; Updated @ 3PM on April 29 and @ 11AM on April 30]

 Lecture Notes: Part 3 [Posted @ 11AM on Apr 21]
 Annotated version for ch 10 [Posted @ 3PM on April 29; Updated @ 11AM on April 30, @ 5:30PM on May 6, and @ 1PM on May 7]
 Solution for Quiz 5 [Free] [Posted @ 11:30PM on May 8]
Problem Set
Note that, for each HW, only a part of ONE question will be graded. Of course, you do not know which one will be selected; so you should work on all of them.
Due Date  Remarks/Solutions  
Jan 23 
Solution [Posted @ 10:30AM on Jan 26] 

HW2  Jan 30  Solution [Posted @ 4PM on Feb 1] 
HW3  Feb 6  Solution [Posted @ 10PM on Feb 9] 
HW4  Feb 13  Solution [Posted @ 9PM on Feb 23] 
HW5  Feb 20  Solution [Posted @ 9PM on Feb 23; Updated @ 9PM on Feb 26] 
HW6  Feb 27  Solution [Posted @ 11AM on Feb 28] 
HW7  Not Due  Solution [Posted @ 11:30AM on Feb 28] 
SelfEvaluation (1)  Mar 20  
HW8  Mar 27  Solution [Posted @ 3:30PM on Apr 19] 
HW9  Apr 3  Solution [Posted @ 3:30PM on Apr 19] 
HW10  Apr 10  Solution [Posted @ 3:30PM on Apr 19] 
HW11  Apr 24  Solution [Posted @ 11AM on Apr 30] 
HW12  May 1  Solution [Posted @ 1PM on May 7] 
HW13  May 8  Solution [Posted @ 10PM on May 8] 
HW14  Free  Solution [Posted @ 1PM on May 7] 
SelfEvaluation (2)  May 15 
Calendar
Reading Assignment
 Chapter 1: 1.11.6
 Chapter 2: 2.12.6
 Chapter 3: 3.13.5, 3.7
 Chapter 4
 Chapter 5: 5.15.8
 Chapter 6 (Capacitors and Inductors): 6.16.5
 Chapter 9 (Sinusoids and Phasors): 9.19.7
 Chapter 10 (Sinusoidal SteadyState Analysis): 10.110.7
 Chapter 11 (AC Power Analysis): 11.111.6
 Chapter 7 (RC and RL Circuits): 7.17.3, 7.5, 7.6
Misc. Links
 The Manga Guide to Electricity (excerpt)
 Video: Collin Cunningham explains Ohm's Law
 Video: The Capacitor
 Video: How inductors work
 Electrical systems in use
in most countries of the world
 Thailand: 220V 50 Hz
 Sinusoid: Phase and Time shifting a Cosine and a Sine+ Sine Function
 Giz Explains: How Electrocution Really Kills You
 Using WolframAlpha to solve DE
 Computer Control of AC Devices