Nahvi - Electric Circuits 4th Ed. (Schaums Outlines)(1).pdf - Najnowsze ksiazki(42) - walbo48

Theory and Problems of

CIRCUITS

Fourth Edition

MAHMOOD NAHVI, Ph.D.

Professor of Electrical Engineering

California Polytechnic State University

JOSEPH A. EDMINISTER

Professor Emeritus of Electrical Engineering

The University of Akron

Schaum’s Outline Series

McGRAW-HILL

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ELECTRIC

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DOI: 10.1036/0071425829

This book is designed for use as a textbook for a ﬁrst course in circuit analysis or as a supplement to

standard texts and can be used by electrical engineering students as well as other engineereing and

technology students. Emphasis is placed on the basic laws, theorems, and problem-solving techniques

which are common to most courses.

The subject matter is divided into 17 chapters covering duly-recognized areas of theory and study.

The chapters begin with statements of pertinent deﬁnitions, principles, and theorems together with

illustrative examples. This is followed by sets of solved and supplementary problems. The problems

cover a range of levels of diculty. Some problems focus on ﬁne points, which helps the student to better

apply the basic principles correctly and conﬁdently. The supplementary problems are generally more

numerous and give the reader an opportunity to practice problem-solving skills. Answers are provided

with each supplementary problem.

The book begins with fundamental deﬁnitions, circuit elements including dependent sources, circuit

laws and theorems, and analysis techniques such as node voltage and mesh current methods. These

theorems and methods are initially applied to DC-resistive circuits and then extended to RLC circuits by

the use of impedance and complex frequency. Chapter 5 on ampliﬁers and op amp circuits is new. The op

amp examples and problems are selected carefully to illustrate simple but practical cases which are of

interest and importance in the student’s future courses. The subject of waveforms and signals is also

treated in a new chapter to increase the student’s awareness of commonly used signal models.

Circuit behavior such as the steady state and transient response to steps, pulses, impulses, and

exponential inputs is discussed for ﬁrst-order circuits in Chapter 7 and then extended to circuits of

higher order in Chapter 8, where the concept of complex frequency is introduced. Phasor analysis,

sinuosidal steady state, power, power factor, and polyphase circuits are thoroughly covered. Network

functions, frequency response, ﬁlters, series and parallel resonance, two-port networks, mutual induc-

tance, and transformers are covered in detail. Application of Spice and PSpice in circuit analysis is

introduced in Chapter 15. Circuit equations are solved using classical diﬀerential equations and the

Laplace transform, which permits a convenient comparison. Fourier series and Fourier transforms and

their use in circuit analysis are covered in Chapter 17. Finally, two appendixes provide a useful summary

of the complex number system, and matrices and determinants.

This book is dedicated to our students from whom we have learned to teach well. To a large degree it

is they who have made possible our satisfying and rewarding teaching careers. And ﬁnally, we wish to

thank our wives, Zahra Nahvi and Nina Edminister for their continuing support, and for whom all these

eﬀorts were happily made.

M AHMOOD N AHVI

J OSEPH A. E DMINISTER

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