ELECTROMAGNETISM Volume I (Theory)

PRAMANIK, ASHUTOSH

Ιαν 2014 · PHI Learning Pvt. Ltd.

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This book [earlier titled as Electromagnetism: Theory and Applications which is bifurcated into two volumes: Electromagnetism: Theory and Electromagnetism: Applications (Magnetic Diffusion and Electromagnetic Waves) has been updated to cover some additional aspects of theory and nearly all modern applications. The semi-historical approach is unchanged, but further historical comments have been introduced at various places in the book to give a better insight into the development of the subject as well as to make the study more interesting and palatable to the students.

Key Features

 • Physical explanations of different types of currents

 • Concepts of complex permittivity and complex permeability; and anisotropic behaviour of constitute parameters in different media and different conditions

 • Vector co-ordinate system transformation equations

 • Halbach magnets and the theory of one-sided flux

 • Discussion on physical aspects of demagnetization curve of B-H loop for ferromagnetic materials

 • Extrapolation of Frohlich-Kennely equation used for the design and analysis of permanent magnet applications

 • Physical aspects of Faraday’s law of electromagnetic induction (i.e., Fourth Maxwell’s field equation) through the approach of special relativity

 • Extrapolation and elaboration of the concept of electromechanical energy conversion to both magnetic as well as electric field systems

Appendices contain in-depth analysis of self-inductance and non-conservative fields (Appendix 6), proof regarding the boundary conditions (Appendix 8), theory of bicylindrical co-ordinate system to provide the physical basis of the circuit approach to the cylindrical transmission line systems (Appendix 10), and properties of useful functions like Bessel and Legendre functions (Appendix 9).

The book is designed to serve as a core text for students of electrical engineering. Besides, it will be useful to postgraduate physics students as well as research engineers and design and development engineers in industries.

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ASHUTOSH PRAMANIK graduated in Electrical Engineering from Glasgow University after obtaining a degree in M.Sc. (Pure Maths) from Nagpur University. He also holds an M.Sc. (Engg.) degree from the University of Birmingham and a Ph.D. from the same university for his research on developing analytical solutions for three-dimensional eddy-current problems. He has been a Research Engineer with the English Electric, Stafford (now part of GEC, UK), Visiting Industrial Lecturer as well as I.C.I. Research Fellow in the Department of Electrical and Electronics Engineering, University of Birmingham, and Lecturer at the University of Leeds. After nearly 18 years of research and teaching experience in UK, Dr. Pramanik in 1976 joined the Corporate R&D Division of BHEL where he successfully established the Electromagnetic Phenomena Laboratory. Throughout his professional career, he has been instrumental in making several scientific contributions in the field of electromagnetism. He is the Fellow of the Indian National Academy of Engineering and of National Academy of Sciences (FNAE and FNASc.). He has been a Chartered Mathematician of UK and a Fellow of the Institute of Mathematics and Its Applications {C. Math., FIMA (UK)}. He has been nominated as International Engineer of the year 2008 by the International Biographical Centre, Cambridge (UK). Dr. Pramanik has been D.J. Gandhi Distinguished Visiting Professor in the Department of Electrical Engineering at IIT Bombay. Currently he is Professor Emeritus in the Department of Electrical Engineering at the College of Engineering, Pune.