#### Synopsis

This course introduces basic electrical engineering principles and technology to students outside the electronics and communication curriculum.

#### Announcements

- Here are the scores for Quiz 1-5 [Posted @ 8PM on Mar 7]
- Here are the scores for HW 8, 9, 10, and 11 [Posted @ 3PM on Mar 1]
- One HW10 and one HW11 do not have any name on them.
**Take a look at them to see whether they are your HWs**. Contact (email) me immeditaely to claim your scores. [Posted @ 10PM on Mar 1] - Final exam information
- Date: 5 Mar 2010 (Friday)
- Morning slot: 09:00 - 12:00

- Room: RS 413
- The exam has 9 pages. Here is the first page.
- You should read the first page now so that time is not wasted in the exam room.

- There are 9 problems.

- One A4 sheet allowed.

- One side.

- Must be hand-written.

- No small pieces of paper notes glued/attached on top of it.

- Have you name and id.

- Submit it with your final exam (1 pt)

- Can request it back after the grades are out.

- One side.
- Cumulative.
**Anything**that is presented in class can be on the exam.- For example, there can be some problems about three-phase circuit. However, given that I only mentioned it quickly in class, try to think about what can I ask you.

- Here are the combined lecture notes after the midtermwhich will be the main focus of the final exam.

- Learn how to use your calculator with complex numbers.

- Here are the scores for HW 8, 9, 10, and 11 [Posted @ 3PM on Mar 1]
- Self-evaluation form is posted. [Updated @ 5:00PM on Feb 25]
- Here are the scores for HW 5, 6, and 7 [Posted @ 9AM on Jan 26]
- Here are the scores for the midterm arranged by the last three digits of your ID.
- Here is the solution of the midterm. Midterms were graded. You will be able to take a look at your midterms during the next lecture on Jan 8. You may
me if you want to know your score before Friday. [Posted @ 10:40PM on Jan 2 with correction on Jan 5]**email** - Midterm exam information
- Date: 25 Dec 2009
- TIME: 09:00 - 12:00
- ROOM: RS 407
- The first page of the exam is posted.
- There are 8 questions.
- The first one is about resistor combination.
- Some questions will ask you to use specific techniques. You must use the specified techniques. There will be no credit given if you do not follow the instructions.

- See lecture 8 slides below for some review.
- There is also Part 2 of the slides posted. This shows the solution of the two subquestions that we didn't have time to finish in class.

- A corrected version of HW6 is posted. It change problem 4.22 to match the one given in the textbook. If you have downloaded the pdf file before, you only need to redownload question 4.22.
- Because the tutor won't have his session on Dec 11, we will move the lecture one slot earlier. So, we will start at 9AM. In which case, we can end the class at noon. [Posted @ 10PM on Dec 4]
- We will also return your graded old HWs.

- A new version of HW4 is posted. The last three questions of the old version are moved to HW5. [Posted @ 4:30PM on Nov 29]
- A new version of HW3 is posted. It fixes a small typo in the first question. If you use the textbook, there is nothing to be fixed. [Posted @ 10:40AM on Nov 26]
- A lousy RSS feed for this page is created. All changes to the content below should be reported by the feed. [Posted @ 4:30PM on Nov 16]
- As requested, complete HW questions are now posted. If you see any discrepancy between these posted questions and the questions printed in the textbook or the question numbers that I posted below, please inform me immediately. [Posted @ 6PM on Nov 14]
- The tutorial this friday will be about basic Math. [Posted @ 2PM on Nov 3]
- Welcome to ECS303! Feel free to look around this site. However, please keep in mind that it is still
**under construction**. All posted information and documents are subject to change. [Posted @ 11AM on Oct 26]

#### General Information

**Instructor**: Dr. Prapun Suksompong (prapun@siit.tu.ac.th)- Course Syllabus
**Class information**

**Office Hours**- Room: BKD3601-7
- Tuesday 14:00-16:00
- Thursday 9:30-11:30

- Room: ETU (1st floor, Rangsit campus)
- Friday 15:00-16:00

**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, 4th ed., McGraw-Hill, International Edition, 2009.
- 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).
- 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

#### Handouts and Course Material

- Lecture Notes - Part 1
- Slides from Lecture 1
- Lecture Notes - Part 1: update 2
- Slides from Lecture 2 are posted on the SIIT online lecture note system
- Slides from Lecture 3 are posted on the SIIT online lecture note system
- Lecture Notes - Part 1b
- Lecture Notes - Part 1b: update 2
- Lecture Notes - Part 1c
- Lecture Notes - Part 1d
- Lecture Notes - Part 1c: update 2
- Lecture Notes - Part 2a
- Lecture Notes - Part 1d: update 2
- Lecture Notes - Part 2a: update 2
- Lecture Notes - Part 2a: update 3
- Lecture Notes - Part 2a: update 4
- Slides from Lecture 8 + Part 2
- "Part 2" above was not presented in class because we haven't finished the big sample midterm question.

- Quiz 1 Solution
- Lecture Notes - Part 2B
- Lecture Notes - Part 2B: update 2
- Lecture Notes - Part 2C
- Lecture Notes - Part 2B: update 3
- Lecture Notes - Part 2C: update 2
- Lecture Notes - Part 2D
- Lecture Notes - Part 2C: update 3
- Lecture Notes - Part 2D: update 2
- Lecture Notes - Part 2D: update 3
- Lecture Notes - Part 3A
- Lecture Notes - Part 3A: update 2
- Lecture Notes - Handwritten from lectures 11 and 12
- Lecture Notes - Part 3A: update 3
- Lecture Notes - Part 3B
- Lecture Notes - Part 3B: update 2
- Lecture Notes - Part 3C
- Lecture Notes - Part 3B: update 3
- Lecture Notes - Part 3C: update 2
- Quiz 2 Solution
- Quiz 3 Solution
- Quiz 4 Solution
- Quiz 5 Solution

#### Problem Set

Note that, for each HW, only ONE question will be graded. Of course, you do not know which one will be selected; so you should work on all of them.

- HW1
- Solve the following problems From Alexander & Sadiku - 4th Ed.

1.1d, 1.18a, 1.22

2.7, 2.10, 2.12, 2.14 - Due: Nov 13 (Next Friday) @ 10:40 - in class
- Solution
- Solution from the solution manual.
- Q2.10 was graded.

- Solve the following problems From Alexander & Sadiku - 4th Ed.
- HW2
- Solve the following problems From Alexander & Sadiku - 4th Ed.

2.16, 2.30, 2.32, 2.34, 2.40, 2.42

3.2, 3.6, 3.14, 3.18 - Due: Nov 20 (Next Friday) @ 10:40 - in class
- Solution
- Q3.14 was graded.

- Solve the following problems From Alexander & Sadiku - 4th Ed.
- HW3
- Solve the following problems From Alexander & Sadiku - 4th Ed.

3.41, 3.43, 3.46, 3.48, 3.58 - Due: Nov 27 (Next Friday) @ 10:40 - in class
- New version: This fixes the typo in the old version:
- Problem 3.41 should read "Apply mesh analysis to find i in Fig. 3.87", not i0.

- Solution
- Solution from the solution manual
- Q3.58 was graded.

- Solve the following problems From Alexander & Sadiku - 4th Ed.
- HW4
- Solve the following problems From Alexander & Sadiku - 4th Ed.

4.6, 4.8, 4.12, 4.20, 4.27, 4.33, 4.36

- Due: Dec 4 (Next Friday) @ 10:40 – in class
- Questions 4.39, 4.45, 4.56 are moved to HW5.
- If you use the textbook,
- For 4.8, do not check with PSpice.
- For 4.36, you must find the Thevenin equivalent seen the by 12-Ohm resistor.

- Solution
- Solution from the solution manual
- Q4.27 was graded.
- The scores for HW1-4 are posted here. The first column contains the last three digits of your student ID.

- Solve the following problems From Alexander & Sadiku - 4th Ed.
- HW5
- Solve the following problems From Alexander & Sadiku - 4th Ed.

4.39, 4.45, 4.56

5.8, 5.10, 5.21, 5.25 - Due: Dec 11 (Next Friday) @ 10:40 – in class
- Solution

- Solve the following problems From Alexander & Sadiku - 4th Ed.
- HW6
- HW6 has two parts: A and B. Please submit them separately. You won't get part B back.
- Due: Dec 18 (Friday) @ 10:40 - in class
- Here is a corrected version with the complete problems.
- Problem 4.22 on the first version of posted pdf file does not matched with the textbook. Here is the real 4.22. If you have already downloaded the HW file before Tuesday, simply download problem 4.22 to replace the incorrent one. If you haven't downloaded this HW, then the one currently available has already been corrected.

- Solution

- HW7
- Solve the following problems From Alexander & Sadiku - 4th Ed.

6.19, 6.20, 6.21, 6.29, 6.30 - Due: Jan 15 @ 10:39 – in class
- Solution
- Solution from the solution manual

- Solve the following problems From Alexander & Sadiku - 4th Ed.
- HW8
- Solve the following problems From Alexander & Sadiku - 4th Ed.

6.46, 6.49, 6.56, 6.71, 6.73

7.1, 7.2, 7.3, 7.8 - Due: Feb 5 @ 10:39 - in class
- Hint: For Q7.2 and Q7.3, the time constant is the product of R and C. In this case, you have many resistors. What you need to do is to find the (Thevenin) equivalent resistance value at the capacitor's terminals. To do this, first take the capacitor out and then find the Thevenin resistance at the open terminals.
- Solution

- Solve the following problems From Alexander & Sadiku - 4th Ed.
- HW9
- Solve the following problems From Alexander & Sadiku - 4th Ed.

7.6, 7.7, 7.10, 7.11, 7.16, 7.22, 7.40, 7.42, 7.44 - Hint:
- For Q7.16b, first combine the two inductors.

- Make sure that your solution shows all the steps.
- Due: Feb 12 @ 10:39 - in class
- Solution

- Solve the following problems From Alexander & Sadiku - 4th Ed.
- HW10
- Due: Feb 19 @ 10:39 - in class
- Solution

- HW11
- Solve the following problems From Alexander & Sadiku - 4th Ed.

10.7, 10.16, 10.20, 10.25, 10.28 - Due: Feb 26 @ 10:39 - in class
- Solution

- Solve the following problems From Alexander & Sadiku - 4th Ed.
- HW12
- Solve the following problems From Alexander & Sadiku - 4th Ed.

10.43, 10.40, 10.49, 10.58, 11.1, 11.5 - Not Due
- Solution

- Solve the following problems From Alexander & Sadiku - 4th Ed.

#### Calendar

#### Reading Assignment

- Chapter 1: 1.1-1.6

- Chapter 2: 2.1-2.6

- Chapter 3: 3.1-3.5, 3.7

- Chapter 4
- Chapter 5: 5.1-5.8
- Chapter 6 (Capacitors and Inductors): 6.1-6.5
- Chapter 7 (RC and RL Circuits): 7.1-7.3, 7.5, 7.6
- Chapter 9 (Sinusoids and Phasors): 9.1-9.7
- Chapter 10 (Sinusoidal Steady-State Analysis): 10.1-10.7
- Chapter 11 (AC Power Analysis): 11.1-11.6
- Chapter 12 (Three-Phase Circuits): 12.1-12.3, 12.10.2

#### Course Outline

- Intro, math review, units, quantities & measurements
- Intro electric circuits: Ohm's Law, node/branches/loops, Kirchoff's Laws, resistive circuits
- Series/parallel resistors, voltage divider, current divider, nodal analysis
- Mesh analysis, linearity, superposition
- Source transformation, Thevenin's/Norton's equivalent circuits, maximum power transfer
- Basic electronics: Op amps
**MIDTERM**: 25 Dec 2009 TIME 09:00 - 12:00- Capacitors and inductors; diodes
- First-order circuits
- Electric power systems. Sinusoids, phasors; complex number review
- Phasor relationships for circuit elements, impedance and admittance, Kirchoff's laws in frequency domain, impedance combinations.
- Sinusoid steady-state analysis: nodal/mesh analysis, superposition theorem, source transformation, Thevenin/Norton equiv. circuits
- AC power analysis: instantaneous and average power, maximum average power transfer, effective or RMS value, apparent power and power factor. Power factor correction.
- Three-phase circuits, transformers, household/industry wiring
- Preview of communication systems (if time permitted)
**FINAL**: 5 Mar 2010 TIME 09:00 - 12:00