Principles of Electricity Breaks down structure of matter into atoms and, by use of conventional symbols, shows the action of electrons within an atom. The principles involved in the flow of current are explained and a volt, ampere and Ohm are defined. Scientific Advisors: Dr. Saul Dushman; Dr. Roman Smoluchowski; Dr. David Harker Keywords:need keyword Downloads: 7,958 Average rating:(5 reviews)