Practical Electricity - With Questions and Answers #250098

This book was written especially to assist those wi10 have some practical knowledge of electricity and who wish to learn more of the way in which Wiring is calculated and of the simpler and more important parts of dynamo electric machine design. Some of the methods used and explana~ tions advanced in the'book are, so far as the writers know, entirely new, and it has all been written with the idea of illustrating the subject and making it las simple and as easy of comprehension as possible. The only way to obtain a. Working knowledge of the subject is by careful study. The book has been arranged so that those who are willing to devote some effort to the work can get a clear conception of the'more important ideas and laws that underlie the sub jcet. One who studies the text and answers the questions at the end of each chapter should be able to calculate a wiring job for lights or power; to calculate the proper size and amount of wire for a dynamo when he has the dimen-g sions of the machine; to calculate the size and Winding for a magnet to give a required pull, etc.