Principles of Electric Circuits: Electron Flow Version / Edition 9

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This text provides an exceptionally clear introduction to DC/AC circuits supported by superior exercises, examples, and illustrations and an emphasis on troubleshooting and applications. Throughout the text's coverage, the use of mathematics is limited to only those concepts that are needed for understanding. Floyd's acclaimed troubleshooting emphasis provides students with the problem solving experience they need to step out of the classroom and into a job! For DC/AC Circuits courses requiring a comprehensive, classroom tested text with an emphasis on troubleshooting and the practical application of DC/AC principles and concepts.
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Editorial Reviews

A textbook for a course covering direct current in one term and alternative current in a second, for students studying to become electronics technicians. Focuses heavily on applications and trouble shooting. Nicely laid out with color used throughout, though the printing is uneven and some pages are barely legible. Published in 1983 and 1990 by Merrill Publishing, and in 1993 by Prentice-Hall. Annotation c. by Book News, Inc., Portland, Or.
From The Critics
New edition of a reference that provides up-to-date coverage of the fundamentals of electronic components and circuits, with a focus upon analysis, applications, and troubleshooting. In addition to expanded information, new features include safety notes and a CD-ROM containing circuit simulations in both Electronics Workbench Version 5 and Multisim. Designed for use in a two-term course. Annotation c. Book News, Inc., Portland, OR (
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Product Details

  • ISBN-13: 9780135073087
  • Publisher: Prentice Hall
  • Publication date: 4/16/2009
  • Series: Pearson Custom Electronics Technology Series
  • Edition description: New Edition
  • Edition number: 9
  • Pages: 992
  • Sales rank: 673,091
  • Product dimensions: 8.50 (w) x 10.90 (h) x 1.70 (d)

Table of Contents

Chapter 1: Quantities and Units

1-1 Units of Measurement

1-2 Scientific Notation

1-3 Engineering Notation and Metric Prefixes

1-4 Metric Unit Conversions

Chapter 2: Voltage, Current, and Resistance

2-1 Atomic Structure

2-2 Electrical Charge

2-3 Voltage, Current, and Resistance

2-4 Voltage and Current Sources

2-5 Resistors

2-6 The Electric Circuit

2-7 Basic Circuit Measurements

2-8 Electrical Safety

A Circuit Application

Chapter 3: Ohm’s Law

3-1 The Relationship of Current, Voltage, and Resistance

3-2 Calculating Current

3-3 Calculating Voltage

3-4 Calculating Resistance

3-5 Introduction to Troubleshooting

A Circuit Application

Chapter 4: Energy and Power

4-1 Energy and Power

4-2 Power in an Electric Circuit

4-3 Resistor Power Ratings

4-4 Energy Conversion and Voltage Drop in Resistance

4-5 Power Supplies

A Circuit Application

Chapter 5 Series Circuits

5-1 Resistors in Series

5-2 Current in a Series Circuit

5-3 Total Series Resistance

5-4 Application of Ohm’s Law

5-5 Voltage Sources in Series

5-6 Kirchhoff’s Voltage Law

5-7 Voltage dividers

5-8 Power in Series Circuits

5-9 Voltage Measurements

5-10 Troubleshooting

A Circuit Application

Chapter 6 Parallel Circuits

6-1 Resistors in Parallel

6-2 Voltage in a Parallel Circuit

6-3 Kirchhoff’s Current Law

6-4 Total Parallel Resistance

6-5 Application of Ohm’s Law

6-6 Current Sources in Parallel

6-7 Current Dividers

6-8 Power in Parallel Circuits

6-9 Parallel Circuit Applications

6-10 Troubleshooting

A Circuit Application

Chapter 7 Series-Parallel Circuits

7-1 Identifying Series-Parallel Relationships

7-2 Analysis of Series-Parallel Resistive Circuits

7-3 Voltage Dividers with Resistive Loads

7-4 Loading Effect of a Voltmeter

7-5 Ladder Networks

7-6 The Wheatstone Bridge

7-7 Troubleshooting

A Circuit Application

Chapter 8 Circuit Theorems and Conversions

8-1 The DC Voltage Source

8-2 The Current Source

8-3 Source Conversions

8-4 The Superposition Theorem

8-5 Thevenin’s Theorem

8-6 Norton’s Theorem

8-7 Maximum Power Transfer Theorem

8-8 Delta-to-Wye -toY and Wye-toDelta Y-to- Conversions

A Circuit Application

Chapter 9 Branch, Loop, and Node Analyses

9-1 Simultaneous Equations in Circuit Analysis

9-2 Branch Current Method

9-3 Loop Current Method

9-4 Node Voltage Method

A Circuit Application

Chapter 10 Magnetism and Electromagnetism

10-1 The Magnetic Field

10-2 Electromagnetism

10-3 Electromagnetic Devices

10-4 Magnetic Hysteresis

10-5 Electromagnetic Induction

10-6 Applications of Electromagnetic Induction

A Circuit Application

Chapter 11 Introduction to Alternating Current and Voltage\

11-1 The Sinusoidal Waveform

11-2 Sinusoidal Voltage Sources

11-3 Sinusoidal Voltage and Current Values

11-4 Angular Measurement of a Sine Wave

11-5 The Sine Wave Formula

11-6 Introduction to Phasors

11-7 Analysis of AC Circuits

11-8 Superimposed DC and AC Voltages

11-9 Nonsinusoidal Waveforms

11-10 The Oscilloscope

A Circuit Application

Chapter 12 Capacitors

12-1 The Basic Capacitor

12-2 Types of Capacitors

12-3 Series Capacitors

12-4 Parallel Capacitors

12-5 Capacitors in DC Circuits

12-6 Capacitors in AC Circuits

12-7 Capacitor Applications

12-8 Switched-Capacitor Circuits

A Circuit Application

Chapter 13 Inductors

13-1 The Basic Inductor

13-2 Types of Inductors

13-3 Series and Parallel Inductors

13-4 Inductors in DC Circuits

13-5 Inductors in AC Circuits

13-6 Inductor Applications

A Circuit Application

Chapter 14 Transformers

14-1 Mutual Inductance

14-2 The Basic Transformer

14-3 Step-Up and Step-down Transformers

14-4 Loading the Secondary Winding

14-5 Reflected Load

14-6 Impedance Matching

14-7 Nonideal Transformer Characteristics

14-8 Tapped and Multiple-Winding Transformers

14-9 Troubleshooting

A Circuit Application

Chapter 15 RC Circuits

PART 1: Series Circuits With an Introduction to Complex Numbers

15-1 The Complex Number System

15-2 Sinusoidal Response of Series RC Circuits

15-3 Impedance of Series RC Circuits

15-4 Analysis of Series RC Circuits

PART 2: Parallel Circuits

15-5 Impedance and Admittance of Parallel RC Circuits

15-6 Analysis of Parallel RC Circuits

PART 3: Series-Parallel Circuits

15-7 Analysis of Series-Parallel RC Circuits

PART 4: Special Topics

15-8 Power in RC Circuits

15-9 Basic Applications

15-10 Troubleshooting

A Circuit Application

Chapter 16 RL Circuits

PART 1: Series Circuits

16-1 Sinusoidal Response of RL Circuits

16-2 Impedance of Series RL Circuits

16-3 Analysis of Series RL Circuits

PART 2: Parallel Circuits

16-4 Impedance and Admittance of Parallel RL Circuits

16-5 Analysis of Parallel RL Circuits

PART 3: Series-Parallel Circuits

16-6 Analysis of Series-Parallel RL Circuits

PART 4: Special Topics

16-7 Power in RL Circuits

16-8 Basic Applications

16-9 Troubleshooting

A Circuit Application

Chapter 17 RLC Circuits and Resonance

PART 1: Series Circuits

17-1 Impedance of Series RLC Circuits

17-2 Analysis of Series RLC Circuits

17-3 Series Resonance

PART 2: Parallel Circuits

17-4 Impedance of Parallel RLC Circuits

17-5 Analysis of Parallel RLC Circuits

17-6 Parallel Resonance

PART 3: Series-Parallel RLC Circuits

17-7 Analysis of Series-Parallel RLC Circuits

PART 4: Special Topics

17-8 Bandwidth of Resonant Circuits

17-9 Applications

A Circuit Application

Chapter 18 Passive filters

18-1 Low-Pass Filters

18-2 High-Pass Filters

18-3 Band-Pass Filters

18-4 Band-Stop Filters

Chapter 19 Circuit Theorems in AC Analysis

19-1 The Superposition Theorem

19-2 Thevenin’s Theorem

19-3 Norton’s Theorem

19-4 Maximum Power Transfer Theorem

Chapter 20 Time Response of Reactive Circuits

20-1 The RC Integrator

20-2 Response of an RC Integrator to a Single Pulse

20-3 Response of RC Integrators to Repetitive Pulses

20-4 Response of an RC Differentiator to a Single Pulse

20-5 Response of RC Differentiators to Repetitive Pulses

20-6 Response of RL Integrators to Pulse Inputs

20-7 Response of RL Differentiators to Pulse Inputs

20-8 Relationship of Time Response to Frequency Response

20-9 Troubleshooting

A Circuit Application

Chapter 21 Three-Phase Systems in Power Applications

21-1 Introduction to Three-Phase Machines

21-2 Generators in Power Applications

21-3 Types of Three-Phase Generators

21-4 Three-Phase Source/Load Analysis

21-5 Three-Phase Power


A Table of Standard Resistor Values

B Derivations

C Capacitor Color Coding

Answers to Odd-Numbered Problems



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This sixth edition of Principles of Electric Circuits: Electron Flow Version provides a complete and straightforward coverage of the basics of electrical components and circuits, with emphasis on analysis, applications, and troubleshooting. Many improvements have been made over the previous edition, but the coverage and organization remain the same. A new text design and layout enhance the text's appearance and usability.

New Features and Improvements

Troubleshooter Quiz. A multiple-choice quiz in the chapter end matter tests the student's grasp of what happens in a circuit as a result of certain changes or faults. The student must determine whether a specified quantity or parameter increases, decreases, or remains the same as a result of the introduction of a fault or a change in another circuit parameter. Answers are at the end of the chapter.

Engineering Notation. Chapter 1 includes an expanded coverage of engineering notation and the use of the calculator in scientific and engineering notation.

Electrical Safety. The topic of electrical safety is introduced in Chapter 2. It is supplemented by a feature called "Safety Note" located at appropriate points throughout the text and identified by a special logo.

Troubleshooting. An irt4proved coverage of troubleshooting begins in Section 3-6 with an introduction. A systematic method called APM (analysis, planning, and measurement) is introduced and used irk many of the troubleshooting sections and examples. Troubleshooting features are identified by a new logo.

Circuit Simulations. In addition to the EWB circuit simulations forTroubleshooting and Analysis problems that are available on the CD-ROM accompanying the textbook, Multisim circuits have been added. To avoid any backward compatibility issues, the EWB files have been retained for those who have not yet upgraded to Multisim.

Circuit Simulation Tutorials. The EWB and PSpice tutorials continue to be available on the website. In addition, Multisim tutorials are now available online.

Key Terms. Terms identified as most important in each chapter are listed in the chapter opener. Within the chapter, the key terms are in color boldface and indicated with a "key" icon. Each key term is defined at the end of the chapter and in the comprehensive glossary at the end of the book.

Answer Reminders. Notes to remind students where to find the answers to the various exercises and problems appear throughout each chapter.

Additional Features

  • Full-color format
  • Two-page chapter openers with a chapter outline, introduction, chapter objectives, and key terms list
  • An introduction and objectives at the beginning of each section within a chapter
  • A TECHnology Theory into Practice (TECH TIP) feature at the end of most chapters
  • Abundance of high-quality illustrations
  • Short biographies of key figures in the history of electricity in several chapters.
  • Many worked examples
  • A Related Problem in each worked example with answers at the end of the chapter
  • Section Reviews with answers at the end of the chapter
  • Troubleshooting section in many chapters
  • Self-test at the end of each chapter with answers at the end of the chapter
  • Summary at the end of each chapter
  • Formula list at the end of each chapter
  • Sectionalized problem set for each chapter with the more difficult problems indicated by an asterisk. Answers to odd-numbered problems are at the end of the book.
  • A comprehensive glossary at the end of the book that defines all boldface and key terms in the textbook
  • The electron-flow direction of current is used. (An alternate version of this text uses conventional direction.)
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