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Engineering Electromagnetics Fourth Edition

Engineering Electromagnetics

Nathan Ida

Engineering Electromagnetics Fourth Edition

Nathan Ida Department of Electrical Engineering University of Akron Akron, OH, USA

Additional material to this book can be downloaded from https://www.springer.com/us/book/ 9783030155568. ISBN 978-3-030-15556-8 ISBN 978-3-030-15557-5 https://doi.org/10.1007/978-3-030-15557-5

(eBook)

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This book is lovingly dedicated to Vera, my wife and partner in life.

Preface

You can because you ought. —Imanuel Kant

One of the main difficulties in teaching electromagnetic fields is the perception on the part of many students that electromagnetics is essentially a supportive topic. They are told that they need to study electromagnetics early in the curriculum because they will need it later to understand other topics in the electrical engineering curriculum, such as electric machines, microwaves, or communication. This, with the prevailing perception of the topic being difficult, esoteric, or boring, creates a heavy atmosphere around the subject. More often than not, this leads to self-fulfilling prophecies, and as a result, even those students who perform well do not get the full benefit of the experience such an exciting topic can impart. This is particularly sad, because electromagnetics motivates many students to pursue studies in electrical engineering. They are familiar with electromagnetic waves, electric motors, magnetic recording, radar, antennas, and many others and have been exposed to hundreds of electromagnetic devices. Yet few make the connection between these a