tailieunhanh - Electric Circuits, 9th Edition P2

Electric Circuits, 9th Edition P2. Designed for use in a one or two-semester Introductory Circuit Analysis or Circuit Theory Course taught in Electrical or Computer Engineering Departments. Electric Circuits 9/e is the most widely used introductory circuits textbook of the past 25 years. As this book has evolved over the years to meet the changing learning styles of students, importantly, the underlying teaching approaches and philosophies remain unchanged. | Contents List of Examples xiii Preface xvii Chapter 1 Circuit Variables 2 Practical Perspective Balancing Power 3 Electrical Engineering An Overview 4 The International System of Units 8 Circuit Analysis An Overview 10 Voltage and Current 11 The Ideal Basic Circuit Element 12 Power and Energy 14 Practical Perspective Balancing Power 17 Summary 18 Problems 19 Chapter 2 Circuit Elements 24 Practical Perspective Electrical Safety 25 Voltage and Current Sources 26 Electrical Resistance Ohm s Law 30 Construction of a Circuit Model 34 Kirchhoff s Laws 37 Analysis of a Circuit Containing Dependent Sources 42 Practical Perspective Electrical Safety 46 Summary 47 Problems 48 Chapter 3 Simple Resistive Circuits 56 Practical Perspective A Rear Window Defroster 57 Resistors in Series 58 Resistors in Parallel 59 The Voltage-Divider and Current-Divider Circuits 61 Voltage Division and Current Division 64 Measuring Voltage and Current 66 Measuring Resistance The Wheatstone Bridge 69 Delta-to-Wye Pi-to-Tee Equivalent Circuits 71 Practical Perspective A Rear Window Defroster 73 Summary 76 Problems 77 Chapter 4 Techniques of Circuit Analysis 88 Practical Perspective Circuits with Realistic Resistors 89 Terminology 90 Introduction to the Node-Voltage Method 93 The Node-Voltage Method and Dependent Sources 95 The Node-Voltage Method Some Special Cases 96 Introduction to the Mesh-Current Method 99 The Mesh-Current Method and Dependent Sources 102 The Mesh-Current Method Some Special Cases 103 The Node-Voltage Method Versus the Mesh-Current Method 106 Source Transformations 109 Thevenin and Norton Equivalents 113 More on Deriving a Thevenin Equivalent 117 Maximum Power Transfer 120 Superposition 122 Practical Perspective Circuits with Realistic Resistors 125 Summary 129 Problems 130 Chapter 5 The Operational Amplifier 144 Practical Perspective Strain Gages 145