by K.K. Chopra and G.C. Agarwal, this textbook is a copyrighted work, and a legal "free download" link from the publisher does not exist. Google Books
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A step-by-step breakdown of electrostatics, magnetostatics, and time-varying fields. by K.K. Chopra and G.C. Agarwal
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: A modern, CC-licensed textbook focused on both theory and practical applications. Download from CUNY Academic Works Electromagnetic Field Theory (223p PDF)