Electric Circuits (10th edition)
The first edition of Electric Circuits, an introductory circuits text, was published in 1983. It included 100 worked examples and about 600 problems. It did not include a student workbook, supplements for PSpice or MultiSim, or any web support. Support for instructors was limited to a solution manual for the problems and enlarged copies of many text figures, suitable for making transparencies.
Much has changed in the 31 years since Electric Circuits first appeared, and during that time this text has evolved to better meet the needs of both students and their instructors. As an example, the text now includes about 150 worked examples, about 1850 problems, and extensive supplements and web content. The tenth edition is designed to revise and improve the material presented in the text, in its supplements, and on the web.Yet the fundamental goals of the text are unchanged.These goals are:
• To build an understanding of concepts and ideas explicitly in terms of previous learning. Students are constantly challenged by the need to layer new concepts on top of previous concepts they may still be struggling to master.This text provides an important focus on helping students understand how new concepts are related to and rely upon concepts previously presented.
• To emphasize the relationship between conceptual understanding and problem-solving approaches. Developing problem-solving skills continues to be the central challenge in a first-year circuits course. In this text we include numerous Examples that present problemsolving techniques followed by Assessment Problems that enable students to test their mastery of the material and techniques introduced. The problem-solving process we illustrate is based on concepts rather than the use of rote procedures. This encourages students to think about a problem before attempting to solve it.
• To provide students with a strong foundation of engineering practices.
There are limited opportunities in a first-year circuit analysis course to introduce students to realistic engineering experiences.We continue to take advantage of the opportunities that do exist by including problems and examples that use realistic component values and represent realizable circuits.We include many problems related to the Practical Perspective problems that begin each chapter. We also include problems intended to stimulate the students’ interest in engineering, where the problems require the type of insight typical of a practicing engineer.
List of Examples xiii
Chapter 1 Circuit Variables 2
Chapter 2 Circuit Elements 24
Chapter 3 Simple Resistive Circuits 56
Chapter 4 Techniques of Circuit Analysis 88
Chapter 5 The Operational Amplifier 144
Chapter 6 Inductance, Capacitance, and Mutual Inductance 174
Chapter 7 Response of First-Order RL and RC Circuits 212
Chapter 8 Natural and Step Responses of RLC Circuits 264
Chapter 9 Sinusoidal Steady-State Analysis 304
Chapter 10 Sinusoidal Steady-State Power Calculations 358
Chapter 11 Balanced Three-Phase Circuits 396
Chapter 12 Introduction to the Laplace Transform 426
Chapter 13 The Laplace Transform in Circuit Analysis 464
Chapter 14 Introduction to Frequency Selective Circuits 520
Chapter 15 Active Filter Circuits 556
Chapter 16 Fourier Series 602
Chapter 17 The Fourier Transform 642
Chapter 18 Two-Port Circuits 676
Appendix A The Solution of Linear Simultaneous Equations 703
Appendix B Complex Numbers 723
Appendix C More on Magnetically Coupled Coils and Ideal Transformers 729
Appendix D The Decibel 737
Appendix E Bode Diagrams 739
Appendix F An Abbreviated Table of Trigonometric Identities 757
Appendix G An Abbreviated Table of Integrals 759
Appendix H Common Standard Component Values 761
Answers to Selected Problems 763
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