Introduction to Electromagnetism

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This edition expands on the first, guiding readers through the wave equation on coaxial cables and free-space using Maxwell's equations. New chapters cover time-varying signals and the fundamentals of Maxwell's equations, presenting electromagnetic fields in an accessible way. The author explains electroconductive fields and develops concepts related to signal propagation, applying Maxwell's equations to a planar optical waveguide. The first new chapter introduces traveling waves by examining voltage variation along a coaxial line, which is further explored in the subsequent chapters addressing Maxwell's equations in free-space and their application to optical waveguides. This structured approach links back to earlier chapters to enhance understanding, particularly in areas students typically find challenging. Aimed at first- and second-year electrical and electronic undergraduates, the book is also suitable for those studying mechanical engineering, computing, and physics. It includes examples and homework problems to reinforce learning. The author, Martin Sibley, recently retired after 33 years of teaching at the University of Huddersfield, where he specialized in electromagnetism and communications. He has authored five books and published over 80 research papers, contributing significantly to the field.