Electrodynamics textbook that emphasizes applications
I am a graduate student in applied mathematics and I am looking for a concise introduction to Maxwell's equations / basic principles of electromagnetism. (I have enjoyed the book by Purcell, Electricity and Magnetism, as an undergrad but I have forgotten most of it). I would like something that covers the conceptual details in a quick way and not necessarily a big textbook. You may assume that I have the necessary mathematics background. I am looking for something that will explain the physics, i.e not a huge textbook with intricate calculations but a short book to get a feel for what is going on.