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Actions Shares. Embeds 0 No embeds. No notes for slide. Book elements of electromagnetics sadiku - 3rd ed 1. Contents 3 Vector Calculus 53 3. Contents 8. PREFACEThe fundamental objectives of the book remains the same as in the first edition—to presentelectromagnetic EM concepts in a clearer and more interesting manner than earlier texts. This objective is achieved in the following ways: 1. To avoid complicating matters by covering EM and mathematical concepts simul-taneously, vector analysis is covered at the beginning of the text and applied gradually.

This approach avoids breaking in repeatedly with more background on vector analysis,thereby creating discontinuity in the flow of thought. It also separates mathematical theo-rems from physical concepts and makes it easier for the student to grasp the generality ofthose theorems. Each chapter starts with a brief introduction that serves as a guide to the wholechapter and also links the chapter to the rest of the book. The introduction helps studentssee the need for the chapter and how the chapter relates to the previous chapter.

Key pointsare emphasized to draw the readers attention to them. A brief summary of the major con-cepts is provided toward the end of the chapter. To ensure that students clearly understand important points, key terms are definedand highlighted. Essential formulas are boxed to help students identify them.

Each chapter includes a reasonable amount of examples with solutions. Since theexamples are part of the text, they are clearly explained without asking the reader to fill inmissing steps. Thoroughly worked-out examples give students confidence to solve prob-lems themselves and to learn to apply concepts, which is an integral part of engineering ed-ucation. Each illustrative example is followed by a problem in the form of a Practice Exer-cise, with the answer provided.

At the end of each chapter are ten review questions in the form of multiple-choiceobjective items. It has been found that open-ended questions, although intended to bethought provoking, are ignored by most students. Objective review questions with answersimmediately following them provide encouragement for students to do the problems andgain immediate feedback. A large number of problems are provided are presented in the same order as the mate-rial in the main text.

Problems of intermediate difficulty are identified by a single asterisk;the most difficult problems are marked with a double asterisk. Enough problems are pro- XIII 9. Answers to odd-numbered problems are provided in Appendix C. Since most practical applications involve time-varying fields, six chapters are devoted to such fields. However, static fields are given proper emphasis because they are special cases of dynamic fields. Ignorance of electrostatics is no longer acceptable because there are large industries, such as copier and computer peripheral manufacturing, that rely on a clear understanding of electrostatics.

The last chapter covers numerical methods with practical applications and com- puter programs. This chapter is of paramount importance because most practical problems are solvable only by using numerical techniques. Over illustrative examples and figures are given in the text. Some addi- tional learning aids, such as basic mathematical formulas and identities, are included in the Appendix. Another guide is a special note to students, which follows this preface.

In this edition, a new chapter on modern topics, such as microwaves, electromagnetic interference and compatibility, and fiber optics, has been added. Also, the Fortran codes in previous editions have been converted to Matlab codes because it was felt that students are more familiar with Matlab than with Fortran.

Although this book is intended to be self-explanatory and useful for self-instruction the personal contact that is always needed in teaching is not forgotten. The actual choice o1 course topics, as well as emphasis, depends on the preference of the individual instructor For example, the instructor who feels that too much space is devoted to vector analysis o: static fields may skip some of the materials; however, the students may use them as refer ence.

Also, having covered Chapters 1 to 3, it is possible to explore Chapters 9 to In structors who disagree with the vector-calculus-first approach may proceed with Chapter; 1 and 2, then skip to Chapter 4 and refer to Chapter 3 as needed. Enough material i covered for two-semester courses. If the text is to be covered in one semester, some sec tions may be skipped, explained briefly, or assigned as homework.

Sections marked wit! A suggested schedule for a four-hour semester coverage is on page xv. Acknowledgments I would like to thank Peter Gordon and the editorial and production staff of Oxford Un versity Press for a job well done. This edition has benefited from the insightful commeni of the following reviewers: Leo C. Saroj Biswas for helping with Matlab. I a: grateful to Temple University for granting me a leave in Fall , during which I was ab to work on the revision of this book.

I owe special thanks to Dr. Keya Sadeghipour, de; of the College of Engineering, and Dr. John Helferty, chairman of the Department of Ele trical and Computer Engineering for their constant support. As always, particular than] As usual, I welcome your comments, suggestions, and corrections.

Matthew N. Sadiku But this misconception may beproved wrong if you take some precautions. From experience, the following ideas are pro-vided to help you perform to the best of your ability with the aid of this textbook: 1. Pay particular attention to Part I on Vector Analysis, the mathematical tool for thiscourse. Without a clear understanding of this section, you may have problems with the restof the book.

Do not attempt to memorize too many formulas. Memorize only the basic ones,which are usually boxed, and try to derive others from these. Try to understand how for-mulas are related. Obviously, there is nothing like a general formula for solving all prob-lems.

Each formula has some limitations due to the assumptions made in obtaining it. Beaware of those assumptions and use the formula accordingly. Try to identify the key words or terms in a given definition or law. Knowing themeaning of these key words is essential for proper application of the definition or law.

Attempt to solve as many problems as you can. Practice is the best way to gainskill. The best way to understand the formulas and assimilate the material is by solvingproblems. It is recommended that you solve at least the problems in the Practice Exerciseimmediately following each illustrative example.


Elements Of Electromagnetics 3rd Edition

Mara Paresque flag Denunciar. It entails the analysis, synthesis, physical interpretation, and application of electric and magnetic fields. Kkctioniiiniutics k. Yli is a branch of physics or electrical engineering in which electric and magnetic phenomena are studied. EM fields are used in induction heaters for melting, forging, annealing, surface hardening, and soldering operations. Dielectric heating equipment uses shortwaves to join or seal thin sheets of plastic materials.


Elements Of Electromagnetics - Sadiku - 3rd ed



elements of electromagnetics sadiku 3rd edition


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