For nearly half a century, this widely acclaimed book has presented the fundamental concepts of DC electricity and magnetism in a straightforward, practical manner. The 7th edition retains the distinguishing features that are the cornerstone of this winning book, including logically organized content that progresses from basic principles to more complex concepts. Enhancements include updated drawings and photographs that better assist readers in understanding such essential concepts as how to distinguish between digital and analog meters, and solid state control for DC motors.