General Engineering Courses

ENGR 2423 - Electric Circuits I

Class Policy

Text Book:  Electric Circuit Analysis by William H. Hayt, Jack E. Kemmerly, & Steven M. Durbin, Seventh Edition, McGraw Hill, 2007

Web site for text book
This site contains tutorials and other resources for students.

Link to MIT open course ware
This site contains links to Video lectures, and PDF files of course material used at MIT.

Link to CLEO (Circuits Learned by Example Online)
This site contains example problems along with video solutions with step by step explanations by professors at Rose-Hulman Institute of Technology.  Use the site by finding examples similar to your homework.  Then try to work the example and check your answer.  If you have trouble watch the video solution and then try working another example.

Chapter 1

Assignment Read the Preface, Chapter 1, and start reading Chapter 2 before coming to the first class:

Information on Units

Unit converter

 Chapter 2 

Objectives - To become familiar with the standard electrical units and unit prefixes used in engineering practice.  To learn to follow an organized method to solve problems. To learn the relationships between voltage, current, power, and energy in a basic circuit element.  To learn the passive sign convention for circuit elements.  To learn the characteristics of the ideal voltage source, Ideal current source, and the ideal resistor.  To learn to apply Ohm's Law. +-

Assignments:

Read the chapter.
Chapter 2 - Homework problems:
1, 3, 4, 6, 10, 12, 13, 14  - Due 17 January 2008
15, 16, 18 - Due Jan 17
20, 22, 27, 31, 32, 34, 37, 41, 44 Due 29 Jan 2008

Chapter 3 

Objectives - To learn to construct circuit models.  To learn to apply Kirchhoff's Laws.  To learn the effect of connection resistors in series and in parallel.  To learn how a voltage divides across a series set of resistors.  To learn how current divides through a parallel set of resistors. To learn about voltage and current measurements. 

Assignments:

Read the chapter.
Homework Problems: 
1, 4, 5, 7, 9, 12,  13, 14, 16, 19, 20 - Due 5 Feb 2008
22, 25, 28, 32, 37, 39, 45, 47,50, 54, 58,   Due 12 Feb 2008
60, 62, 64, 65, 71, 76 -  Due 14 Feb 2008

Exam 1 - 14 Feb 2006 - Study Guide - Sample Exam - Sample Exam Solutions

2006 Exam Solution

Chapter 4 

Objectives - To learn the terminology used to describe circuits.  To learn the Node-Voltage method of analyzing circuits.  To learn the mesh current method of analyzing circuits. 

Assignments:

Read the chapter.
Homework Problems: 

Look at the section title for each homework problem and use the methods taught in that section of the book to solve the problem.

1, 6, 7, 10, 12, 13, 17, 21 - Due 26 Feb 2008
19, 20, 29 - Due 28 Feb 2008
31, 33, 36, 39, 41, 43, 45, 48, 52, 56 - Due 4 March 2008

 

Micro-Cap tutorial

Node Voltage Method - This is a power point slide show.  If you don't have Power Point on your computer you can down load a free Power Point viewer.  Your browser will probably prompt you to do this.

Node Voltage Method - This is an html version of the slide show. Unfortunately due to the way that Microsoft Power Point converts this slide show to html it can only be observed using Microsoft Internet explorer.

Exam 2 - 6 March 2008 - Study Guide  - Sample Exam Problems - Expanded Solutions for previous exams -

Chapter 5

Objectives -  To learn how to apply the following circuit theorems:  Source Transformation, Thévenin's Theorem, Norton's Theorem, the Maximum Power Transfer Theorem, and the Superposition Theorem.

Assignments:

Read the chapter.
Homework Problems: 

1, 2 Remember i_x is a linear function of the three inputs., 3, 5, 10, 16, 17, 18, 20  - Due 14 March 2006
21, 23, 31, 34, 35, 40, 47, 56, 57, 59 - Due 16 March 2006  Thévenin Equivalent Example

 

Exam 3 - 6 April 2006 - Study guide -  Old Solutions - Exam 3 Solutions SS 2002

Chapter 7 

Objectives - To learn the electrical characteristics of the Inductor and Capacitor.  To learn how Inductors and Capacitors combine in series and in parallel.  To learn about Mutual Inductance.  To learn about energy storage in inductors and capacitors.

Assignments:

Read the chapter.
Homework Problems: 

(Note: An Integral table may be required for some problems.  A few Integrals are given in the math formulas for circuits link above.)

Inductor Current Example
1, 4, 5, 8, 9, 10 - Due 16 March 2006
11, 13, 15, 17, 18, 21, 22, 23, 24, 36, 37 - Due 28 March 2006

 

Chapter 8 

Objectives - To learn about the natural response of  RL circuits and RC circuits.  To learn about the step response of RL circuits and RC circuits.

Assignments:

Read the chapter.
Homework Problems: 

1, 5, 13, 19, 26, 27, 35, 39 - Due April 13
Selected answers

 

Exam 4 - Take home exam given out on 13 April 2006 and due back  18 April 2006 - Study Guide - Old Test

Chapter 10  - Read Appendix 5 to review the algebra of complex numbers before coming to class.   Complex Numbers

Objectives - To learn about Sinusoidal Sources and the response of electric circuits to these sources.  To learn about the Phasor notation for sinusoidal voltages and currents.  To learn the Frequency Domain response of passive circuit elements.  To learn to apply Kirchoff's Laws in the frequency domain.  To learn to combine general Impedances in the frequency domain.  To learn to apply the basic circuit theorems in the frequency domain.  To learn to apply the Node-Voltage method and the Mesh-Current method in the frequency domain. 

Assignments:

Read the chapter.
Homework Problems: 

1, 3, 7, 10, 11, 14, 20, 21, 23 - Due 20 April 2006
27, 29, 32, 34, 37, 44, 47, 53, 54, 67 - Due 24 April 2006

 

Sample problem solutions - Note these are outlines of the solution and do not contain the intermediate circuit diagrams.  Make sure you understand where each intermediate step comes from and how it relates to the final problem solution.

Study Guide,    Old Exam Solutions - complete solutions

Complete solutions to problems from old book to study for the exam

Final Exam - Thursday 1 May 2008 from 12:30 pm to 2:30 pm

COLLEGE OF ENGINEERING