# Book: Electromagnetics I (Ellingson)

- Page ID
- 3894

This book is intended to serve as a primary textbook for a one-semester introductory course in undergraduate engineering electromagnetics, including the following topics: electric and magnetic fields; electromagnetic properties of materials; electromagnetic waves; and devices that operate according to associated electromagnetic principles including resistors, capacitors, inductors, transformers, generators, and transmission lines. This book employs the “transmission lines first” approach, in which transmission lines are introduced using a lumped-element equivalent circuit model for a differential length of transmission line, leading to one-dimensional wave equations for voltage and current.^{1} This is sufficient to address transmission line concepts, including characteristic impedance, input impedance of terminated transmission lines, and impedance matching techniques. Attention then turns to electrostatics, magnetostatics, time-varying fields, and waves, in that order.

- 1: Preliminary Concepts
- 2: Electric and Magnetic Fields
- 3: Transmission Lines
- 4: Vector Analysis
- 5: Electrostatics
- 6: Steady Current and Conductivity
- 7: Magnetostatics
- 8: Time-Varying Fields
- 9: Plane Waves in Loseless Media
- A: Constitutive Parameters of Some Common Materials
- B: Mathematical Formulas
- C: Physical Constants

**Acknowledgments.** Here’s a list of talented and helpful people who contributed to this book:

*The staff of VT Publishing, University Libraries, Virginia Tech:*

Editor: Anita Walz

Advisors: Peter Potter, Corinne Guimont

Cover: Robert Browder, Anita Walz

*Other VT contributors:*

Assessment: Tiffany Shoop, Anita Walz

Accessibility: Christa Miller

*Virginia Tech students:*

Alt text writer: Stephanie Edwards

Figure designer: Michaela Goldammer

Figure designer: Kruthika Kikkeri

Figure designer: Youmin Qin

*Copyediting:*

Melissa Ashman, Kwantlen Polytechnic University

*External reviewers:*

Samir El-Ghazaly, University of Arkansas

Stephen Gedney, University of Colorado Denver

Randy Haupt, Colorado School of Mines

Karl Warnick, Brigham Young University

Also, thanks are due to the students of the Spring 2018 and Summer 2018 sections of ECE3105 at Virginia Tech who used the beta version of this book and provided useful feedback. Thanks also to Justin Yonker, instructor of the Summer 2018 section.