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Introduction to Electrodynamics
David 1. Griffiths

Reed College

Prentice

Hall
Prentice Hall
Upper Saddle River, New Jersey 07458

Library of Congress (::ataloging-in-Publication Data
Griffiths, David 1. (David Jeffrey)
Introduction to electrodynamics / David J. Griffiths - 3rd ed.
p. em.
Includes biqliographical references and index.
ISBN 0-13-805326-X
I. Electrodynamics. I. Title.
OC680.G74 1999
537.6---<1c21

98-50525

CIP

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Production Editor: Kim Dellas
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Cover Designer: Bruce Kenselaar
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Composition: PreTEx' Inc.

•

© 1999,1989, 1981 by Prentice-Hall, Inc.
Upper Saddle River, New Jersey 07458

All rights reserved. No part of this book may be reproduced, in any form or by any means, without permission in writing from the publisher.

Reprinted with corrections September, 1999

Printed in the United States of America
1098765

ISBN

0-13-805326-X

Prentice-Hall International (UK) Limited, London
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Contents
Preface

ix

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xi

1

Vector Analysis
1.1 Vector Algebra . . . . . . . . . . . . . . .
1.1.1 Vector Operations. . . . . . . . . .
1.1.2 Vector Algebra: Component Form .
1.1.3 Triple Products . . . . . . . . . . .
1.1.4 Position, Displacement, and Separation Vectors
1.1.5 How Vectors Transform
1.2 Differential Calculus . . . . .
1.2.1 "Ordinary" Derivatives
1.2.2 Gradient.....
1.2.3 The Operator V .
1.2.4 The Divergence .
1.2.5 The Curl . . . .
1.2.6 Product Rules . .
1.2.7 Second Derivatives
1.3 Integral Calculus . . .