Direct Current Fundamentals - Tapa blanda

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.

As a retired electrician and proficient instructor with more than 30 years of practical experience, Stephen L. Herman is known for his reader-friendly approach. A seasoned author, Mr. Herman has written leading books on electricity and mathematics that are popular with students and instructors alike. For two decades Mr. Herman served as lead instructor for the Electrical Technology Curriculum at Lee College in Baytown, Texas, where he received an Excellence in Education Award from the Halliburton Education Foundation. He also taught at Randolph Community College in Asheboro, North Carolina, for nine years and helped pioneer an electrical curriculum for Northeast Texas Community College in Mount Pleasant, Texas. His additional publications include ELECTRIC MOTOR CONTROL, ELECTRICITY AND CONTROLS FOR HVAC/R, INDUSTRIAL MOTOR CONTROLS, UNDERSTANDING MOTOR CONTROLS, ELECTRONICS FOR ELECTRICIANS, ALTERNATING CURRENT FUNDAMENTALS, DIRECT CURRENT FUNDAMENTALS, ELECTRICAL STUDIES FOR TRADES, ELECTRICAL PRINCIPLES, EXPERIMENTS IN ELECTRICITY FOR USE WITH LAB VOLT EQUIPMENT, THE COMPLETE LABORATORY MANUAL FOR ELECTRICITY, and PRACTICAL PROBLEMS IN MATHEMATICS FOR ELECTRICIANS.