Excerpt from Elementary Electrical Calculations: A Book Suitable for the Use of First and Second Year Students of Electrical Engineering This book is the outcome of a number of lectures on electrical calculations, given by the authors to students of electrical engineering, the lectures being supplemented by a large amount of class work. The authors wish to impress upon students the necessity of actually working numerous examples, and not being content with merely thinking they can work them; further, teachers are advised to inspect the books of individual students while class work is in progress. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.