The successful second volume of the collection of exercises in electrical engineering contains a total of 19 sections with thematically organized tasks related to magnetic fields and alternating current technology. For each topic, it provides the necessary foundational knowledge in the form of structured, grid-based pages, including typical solution strategies and methods in a coherent manner. Each set of tasks offers exercises at varying difficulty levels: easy, medium, and challenging. The difficulty levels are marked with symbols. All practice problems are accompanied by detailed solutions and comments.