具体描述
Electricity 2: Devices, Circuits and Materials, 9th Edition acquaints newcomers to the field with various types of alternating current circuits, while developing a solid understanding of the concepts of power, power factor, and power factor correction. This book, completely updated to the 2008 National Electrical Code?, explores alternating current principles and concepts of inductive reactance, capacitive reactance, and impedance. Sample problems and solutions at the end of each unit provide a direct route to understanding as readers apply key electrical principles in realistic troubleshooting situations
