"Version: 20190801"--Title page verso."A Morgan & Claypool publication as part of IOP Concise Physics"--Title page verso.Includes bibliographical references.1. Introduction -- 2. Conductors, insulators, and electric circuits -- 2.1. Conductors versus insulators -- 2.2. Electric circuits : voltage and current -- 2.3. Electrical resistance, current, and Ohm's law -- 2.4. Summary3. Early developmeā¦