I’ve read up on div, graduate, and you can curl, but don’t learn how to establish the fresh new equations so you’re able to account having when an object can be acquired otherwise absent in an industry.
ANSWER: That is a fascinating matter. The answer can be found in problematic in the really-known textbook toward power and you may magnetism, Addition in order to Electrodynamics from the David J. Griffiths (Prentice-Hall); it’s problem #1 in chapter 7. [Read more…]