Library of Congress Cataloging-in-Publication Data Electromagnetics/Edward J. Rothwell, Michael J Cloud. -Electrical engineering textbook serie Includes bibliographical references and index. ISBN 0-8493-1397-X(alk. paper) ectromagnetic theory. I. Cloud, Michael J. Il. Title. Ill. Series QC670R6932001 This book contains information obtained from authentic and highly regarded sources. Reprinted material is quoted with permission, and sources are indicated. A wide variety of references are listed. Reasonable fforts have been made to publish reliable data and information, but the author and the publisher cannot me responsibility for the validity of all materials or for the consequences of their us Neither this book nor any part may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, microfilming, and recording, or by any information storage or retrieval system, without prior permission in writing from the publisher. The consent of CRC Press LLC does not extend to copying for general distribution, for promotion, for creating new works, or for resale. Specific permission must be obtained in writing from CRC Press LLC for such copying. Direct all inquiries to CRC Press LLC, 2000 N w. Corporate Blvd., Boca Raton, Florida 33431, or visit ourweBsiteatwww.crcpress.com Trademark Notice: Product or corporate names may be trademarks or registered trademarks, and are used only for identification and explanation, without intent to infringe Visitourwebsiteatwww.crcpress.com. o 2001 by CRC Press LLC No claim to original U.S. Government works International Standard Book Number 0-8493-1397-X Library of Congress Card Number 00-065158 Printed in the United States of America 1 2 3 456789 0 Printed on acid-free paperThis book contains information obtained from authentic and highly regarded sources. Reprinted material is quoted with permission, and sources are indicated. A wide variety of references are listed. Reasonable efforts have been made to publish reliable data and information, but the author and the publisher cannot assume responsibility for the validity of all materials or for the consequences of their use. Neither this book nor any part may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, microfilming, and recording, or by any information storage or retrieval system, without prior permission in writing from the publisher. The consent of CRC Press LLC does not extend to copying for general distribution, for promotion, for creating new works, or for resale. Specific permission must be obtained in writing from CRC Press LLC for such copying. Direct all inquiries to CRC Press LLC, 2000 N.W. Corporate Blvd., Boca Raton, Florida 33431, or visit our Web site at www.crcpress.com Trademark Notice: Product or corporate names may be trademarks or registered trademarks, and are used only for identification and explanation, without intent to infringe. Visit our website at www.crcpress.com. © 2001 by CRC Press LLC No claim to original U.S. Government works International Standard Book Number 0-8493-1397-X Library of Congress Card Number 00-065158 Printed in the United States of America 1 2 3 4 5 6 7 8 9 0 Printed on acid-free paper Library of Congress Cataloging-in-Publication Data Rothwell, Edward J. Electromagnetics / Edward J. Rothwell, Michael J. Cloud. p. cm.—(Electrical engineering textbook series ; 2) Includes bibliographical references and index. ISBN 0-8493-1397-X (alk. paper) 1. Electromagnetic theory. I. Cloud, Michael J. II. Title. III. Series. QC670 .R693 2001 530.14′1—dc21 00-065158 CIP