Basic Engineering Circuit Analysis

Reliable tools for computer and engineering students

Those majoring in computer science or electrical engineering can look to Basic Engineering Circuit Analysis, 11th Edition to help them connect theory and practice. Topics covered include: nodal and loop analysis techniques, resistive circuits, operational amplifiers, magnetically coupled networks, and other areas of study. The text is designed for student-centered learning and to deliver support for a challenging subject. Detailed examples are used to demonstrate the key concepts. Learning Assessment sections within the textbook give students the chance to solve problems that are similar to the worked examples.

J. David Irwin is an American engineering educator and author of popular textbooks in electrical engineering and related areas. He is the Earle C. Williams Eminent Scholar and former Electrical and Computer Engineering Department Head at Auburn University.

R. Mark Nelms is the author of Basic Engineering Circuit Analysis, 11th Edition, published by Wiley.

Preface ix

Chapter 1: Basic Concepts 1

1.1 System of Units 2

1.2 Basic Quantities 2

1.3 Circuit Elements 8

Summary 17

Problems 18

Chapter 2: Resistive Circuits 24

2.1 Ohm’s Law 25

2.2 Kirchhoff’s Laws 30

2.3 Single-Loop Circuits 38

2.4 Single-Node-Pair Circuits 45

2.5 Series and Parallel Resistor Combinations 50

2.6 Wye Delta Transformations 59

2.7 Circuits with Dependent Sources 63

Summary 68

Problems 69

Chapter 3: Nodal and Loop Analysis Techniques 89

3.1 Nodal Analysis 90

3.2 Loop Analysis 111

Summary 128

Problems 129

Chapter 4: Operational Amplifiers 147

4.1 Introduction 148

4.2 Op-Amp Models 148

4.3 Fundamental Op-Amp Circuits 154

Summary 163

Problems 163

Chapter 5: Additional Analysis Techniques 171

5.1 Introduction 172

5.2 Superposition 174

5.3 Thévenin’s and Norton’s Theorems 179

5.4 Maximum Power Transfer 197

Summary 202

Problems 202

Chapter 6: Capacitance and Inductance 219

6.1 Capacitors 220

6.2 Inductors 227

6.3 Capacitor and Inductor Combinations 236

Summary 241

Problems 241

Chapter 7: First- and Second-Order Transient Circuits 252

7.1 Introduction 253

7.2 First-Order Circuits 254

7.3 Second-Order Circuits 275

Summary 289

Problems 289

Chapter 8: AC Steady-State Analysis 305

8.1 Sinusoids 306

8.2 Sinusoidal and Complex Forcing Functions 309

8.3 Phasors 312

8.4 Phasor Relationships for Circuit Elements 314

8.5 Impedance and Admittance 318

8.6 Phasor Diagrams 325

8.7 Basic Analysis Using Kirchhoff’s Laws 328

8.8 Analysis Techniques 331

Summary 344

Problems 344

Chapter 9: Steady-State Power Analysis 362

9.1 Instantaneous Power 363

9.2 Average Power 364

9.3 Maximum Average Power Transfer 369

9.4 Effective or rms Values 374

9.5 The Power Factor 377

9.6 Complex Power 379

9.7 Power Factor Correction 384

9.8 Single-Phase Three-Wire Circuits 388

9.9 Safety Considerations 391

Summary 399

Problems 399

Chapter 10: Magnetically Coupled Networks 411

10.1 Mutual Inductance 412

10.2 Energy Analysis 423

10.3 The Ideal Transformer 426

10.4 Safety Considerations 436

Summary 437

Problems 438

Chapter 11: Polyphase Circuits 450

11.1 Three-Phase Circuits 451

11.2 Three-Phase Connections 456

11.3 Source/Load Connections 457

11.4 Power Relationships 466

11.5 Power Factor Correction 471

Summary 475

Problems 475

Chapter 12: Variable-Frequency Network Performance 482

12.1 Variable Frequency-Response Analysis 483

12.2 Sinusoidal Frequency Analysis 491

12.3 Resonant Circuits 500

12.4 Scaling 521

12.5 Filter Networks 523

Summary 534

Problems 535

Chapter 13: The Laplace Transform 543

13.1 Definition 544

13.2 Two Important Singularity Functions 544

13.3 Transform Pairs 547

13.4 Properties of the Transform 549

13.5 Performing the Inverse Transform 551

13.6 Convolution Integral 557

13.7 Initial-Value and Final-Value Theorems 560

13.8 Solving Differential Equations with Laplace

Transforms 562

Summary 564

Problems 564

Chapter 14: Application of the Laplace Transform to Circuit Analysis 569

14.1 Laplace Circuit Solutions 570

14.2 Circuit Element Models 571

14.3 Analysis Techniques 573

14.4 Transfer Function 586

14.5 Steady-State Response 603

Summary 606

Problems 606

Chapter 15: Fourier Analysis Techniques 617

15.1 Fourier Series 618

15.2 Fourier Transform 641

Summary 651

Problems 651

Complex Numbers 659

Appendix: Complex Numbers 659

Index 666

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