The concept of vector magnetic potential (A) is often a stumbling block. The author clarifies that 'A' is merely a mathematical convenience derived from the solenoidal nature of B (div B = 0). He connects 'A' to momentum, a quantum concept rarely seen in undergrad texts.
by R. K. Shevgaonkar is a cornerstone textbook for undergraduate and postgraduate students in electrical and electronics engineering. Published by McGraw-Hill Education (India), it is widely regarded for its clear, deductive approach to complex electromagnetic (EM) theory, bridging the gap between mathematical foundations and modern practical applications. About the Author: Prof. R. K. Shevgaonkar Electromagnetic Waves R K Shevgaonkar Pdf