- Instructor: Prof. Peter F. Swaszek,
492 Fascitelli Center
Office hours: face-to-face Mon and Fri 10:00-10:50 or by appointment; virtual by appointment only
- Lectures:
- Mon, Wed, and Fri 9:00-9:50 AM, Kirk Aud.
- Mon 2-2:50 PM, Edwards Aud. (weekly assessment period)
- Text: Fundamentals of Electric Circuit
by Alexander and Sadiku, McGraw-Hill, 5th ed. or equiv. (chapters 1 through 11 plus 14)
- Scientific calculator for quizzes - NO phones, tablets, or computers allowed.
- Grading scheme:
- 39 online homeworks plus 10 online exercises (total of 5000 points); there are also 2 exctra creidt problems (totalling 400 points) that can increase your score to a max of 5000 - 20%
- 15 weekly quizes (including two on the final exam day) - 80%
- On-line homework:
- When the web page asks for your "Homework ID" enter the 9 digit number posted in the Brightspace gradebook (no commas), NOT your URI ID; also see here for more details including FAQs
- Use 3 significant digits for each answer unless stated otherwise; see here if you need more help
- Include standard units unless stated otherwise
- Useful links:
- Textbook errata for 5th edition of Alexander and Sadiku; search online if you have a different version or other text.
- Syllabus for spring 2026 THIS NEEDS UPDATING **********************************************
- Generic URI syllabus
Daily materials and homeworks; additional material:
| Monday | Wednesday | Friday | |
| Week 1 | Jan 20 | Wed Jan 21 - Lecture 1 Basics 1: administrivia; circuit variables (A&S chap 1) Lecture slides, annotated copy HW 1 on basics - due 8:55 AM Fri Jan 23 |
Fri Jan 23 - Lecture 2 Basics 2: time variation; sources; resistors (A&S chap 1) Lecture slides, annotated copy HW 2 on basics - due 8:55 AM Mon Jan 26 |
| Week 2 | Mon Jan 26 - Lecture 3 Basics 3: circuits; Kirchhoff (A&S chap 1 & 2) Lecture slides, annotated copy HW 3 on basics - due 8:55 AM Wed Jan 28 |
Wed Jan 28 - Lecture 4 Basics 4: series/parallel resistance; voltage/current divison (A&S chap 2) Lecture slides, annotated copy HW 4 on basics - due 8:55 AM Fri Jan 30 |
Fri Jan 30 - Lecture 5 Basics 5: equivalent resistance (A&S chap 2) Lecture slides, annotated copy HW 5 on basics - due 8:55 AM Mon Feb 2 Outside Topic - solving simultaneous equations: Written material Exercuse 1 and Exercise 2, both due 8:55 AM Fri Feb 6 |
| Week 3 | Mon Feb 2 - Lecture 6 Basics 6: circuit analysis; dependent sources (A&S chap 2) Lecture slides, annotated copy HW 6 on basics - due 8:55 AM Wed Feb 4 Outside Topic - Delta-Wye transformations: Written material Recorded mini-lecture Exercise 3 on Delta-Wye (200 pts) - due 8:55 AM Wed Feb 18 |
Wed Feb 4 - Lecture 7 Basics 7: odds and ends (A&S chap 2) Lecture slides, annotated copy HW 7 on basics - due 8:55 AM Fri Feb 6 |
Fri Feb 6 - Lecture 8 Node 1: basic comcepts (A&S chap 3) Lecture slides, annotated copy HW 8 on nodes - due 8:55 AM Mon Feb 9 |
| Week 4 | Mon Feb 9 - Lecture 9 Node 2: more complex branches (A&S chap 3) Lecture slides, annotated copy HW 9 on nodes - due 8:55 AM Wed Feb 11 |
Wed Feb 11 - Lecture 10 Node 3: vector/matrix form (A&S chap 3) Lecture slides, annotated copy HW 10 on nodes - due 8:55 AM Fri Feb 13 |
Fri Feb 13 - Lecture 11 Node 4: dependent sources (A&S chap 3) Lecture slides, annotated copy HW 11 on nodes - due 8:55 AM Wed Feb 18 Outside Topic - complex number manipulation: Written material on complex numbers Exercise 4, Exercise 5, Exercise 6, Exercise 7, Exercise 8, Exercise 9, Exercise 10; all due 8:55 AM Wed Feb 25 |
| Week 5 | Feb 16 holiday |
Wed Feb 18 - Lecture 12 Node 5: supernodes (A&S chap 3) Lecture slides, annotated copy HW 12 on nodes - due 8:55 AM Fri Feb 20 |
Fri Feb 20 - Lecture 13 Node 6: examples (A&S chap 3) Lecture slides, annotated copy HW 13 on nodes - due 8:55 AM Mon Feb 23 |
| Week 6 | Mon Feb 23 - Lecture 14 Node 7: op amp example (A&S chap 5) Lecture slides, annotated copy HW 14 on op amps - due 8:55 AM Wed Feb 25 |
Wed Feb 25 - Lecture 15 Phasors 1: introducing L and C (A&S chap 6) Lecture slides, annotated copy HW 15 on phasors - due 8:55 AM Fri Feb 27 |
Fri Feb 27 - Lecture 16 Phasors 2: RLC circuits (A&S chap 9) Lecture slides, annotated copy Detailed explanation HW 16 on phasors - due 8:55 AM Mon Mar 2 |
| Week 7 | Mon Mar 2 - Lecture 17 Phasors 3: how phasors help (A&S chap 9 & 10) Lecture slides, annotated copy HW 17 on phasors - due 8:55 AM Wed Mar 4 |
Wed Mar 4 - Lecture 18 Phasors 4: how to use them (A&S chap 9 & 10) Lecture slides, annotated copy HW 18 on phasors - due 8:55 AM Fri Mar 6 |
Fri Mar 6 - Lecture 19 Phasors 5: examples (A&S chap 10) Lecture slides, annotated copy HW 19 on phasors - due 8:55 AM Mon Mar 9 |
| Week 8 | Mon Mar 9 - Lecture 20 Phasors 6: more examples (A&S chap 10) Lecture slides, annotated copy HW 20 on phasors - due 8:55 AM Wed Mar 11 |
Wed Mar 11 - Lecture 21 Phasors 7: AC power (A&S chap 11) Lecture slides, annotated copy HW 21 on phasors - due 8:55 AM Fri Mar 13 |
Fri Mar 13 - Lecture 22 Phasors 8: power; circuit design Lecture slides, annotated copy HW 22 on phasors - due 8:55 AM Mon Mar 23 |
| Mar 16, 18, 20 spring break |
|||
| Week 9 | Mon Mar 23 - Lecture 23 Phasors 9: circuit design Lecture slides, annotated copy HW 23 on power - due 8:55 AM Wed Mar 25 |
Wed Mar 25 - Lecture 24 HW 24 on design - due 8:55 AM Fri Mar 27 |
Fri Mar 27 - Lecture 25 Phasors 9: circuit design Lecture slides, annotated copy HW25 on design - due 8:55 AM Mon Mar 30 Extra Credit phasor homework (worth 200 pts) - due 11:59 PM Sun Apr 5 |
| Week 10 | Mon Mar 30 - Lecture 26 Theorems 1: superposition and transformations (A&S chap 4) Lecture slides, annotated copy HW 26 on theorems - due 8:55 AM Wed Apr 1 |
Wed Apr 1 - Lecture 27 Theorems 2: Thevenin (A&S chap 4) Lecture slides, annotated copy HW 27 on theorems - due 8:55 AM Fri Apr 3 |
Fri Apr 3 - Lecture 28 Theorems 3: Thevenin (A&S chap 4) Lecture slides, annotated copy HW 28 on theorems - due 8:55 AM Mon Apr 6 |
| Week 11 | Mon Apr 6 - Lecture 29 Theorems 4: maximum power (A&S chap 4) Lecture slides, annotated copy HW 29 on theorems - due 8:55 AM Wed Apr 8 |
Wed Apr 8 - Lecture 30 1st order 1: concepts (A&S chap 7) Lecture slides, annotated copy HW 30 on theorems - due 8:55 AM Fri Apr 10 |
Fri Apr 10 - Lecture 31 1st order 2: general solution (A&S chap 7) Lecture slides, annotated copy HW 31 on transients - due 8:55 AM Mon Apr 13 |
| Week 12 | Mon Apr 13 - Lecture 32 1st order 3: examples (A&S chap 7) Lecture slides, annotated copy HW 32 on transients - due 8:55 AM Wed Apr 15 |
Wed Apr 15 - Lecture 33 1st order 4: other variables (A&S chap 7) Lecture slides, annotated copy HW 33 on transients - due 8:55 AM Fri Apr 17 |
Fri Apr 17 - Lecture 34 1st order 5: more examples (A&S chap 7) Lecture slides, annotated copy HW 34 on transients - due 8:55 AM Mon Apr 20 |
| Week 13 | Mon Apr 20 - Lecture 35 2nd order 1: concepts (A&S chap 8) Lecture slides, annotated copy HW 35 on transients - due 8:55 AM Wed Apr 22 |
Wed Apr 22 - Lecture 36 2nd order 2: initial conditions (A&S chap 8) Lecture slides, annotated copy HW 36 on transients - due 8:55 AM Fri Apr 24 |
Fri Apr 24 - Lecture 37 2nd order 3: full solution (A&S chap 8) Lecture slides, annotated copy HW 37 on transients - due 8:55 AM Mon Apr 27 |
| Week 14 | Mon Apr 27 - Lecture 38 2nd order 4: examples (A&S chap 8) Lecture slides, annotated copy HW 38 on transients - due 8:55 AM Wed Apr 29 Extra Credit 2nd order homework (worth 200 pts) - due 11:59 PM Fri May 1 |
Wed Apr 29 - Lecture 39 Mesh: concept and examples (A&S chap 4) Lecture slides, annotated copy HW 39 on mesh - due 11:59 PM Fri May 1 |
May 1 |
Late homework links - 38 regular daily problems only (not the last one; show up as homework number plus 100) - all due by 11:59 PM on Friday May 1
- HW 1
- HW 2
- HW 3
- HW 4
- HW 5
- HW 8
- HW 10
- HW 11
- HW 12
- HW 13
- HW 14
- HW 22
- HW 23
- HW 24
- HW 25
- HW 26
- HW 27
- HW 28
- HW 29
- HW 30
- HW 31
- HW 32
- HW 33
- HW 34
- HW 35
- HW 36
- HW 37
- HW 38
- HW 39
- HW 40
- HW 41
- HW 42
- HW 43
- HW 44
- HW 45
- HW 46
- HW 47
- HW 48
