For nearly half a century, this widely acclaimed book has presented the fundamental concepts of direct current electricity and magnetism in a straightforward, practical manner. This reader-friendly guide to DC electrical theory and applications is both thorough and focused, providing detailed coverage in a convenient, affordable volume. The new Eighth Edition retains the distinguishing features that are the cornerstone of this trusted book, including logically organized content that progresses step-by-step from basic principles to advanced concepts. Enhancements for the new edition include updated photographs and illustrations to help you grasp essential concepts quickly and apply your knowledge with confidence, as well as special icons highlighting "green" tips on energy efficiency.