Electrical Engineering and Electronics . At 6 p.m.. H. 4. Magnetic field, magnetic circuits with constant and variable magnetomotive forces” by Yu. In. Bloody is an indispensable source of knowledge for all who seek to better understand the basics of electrical engineering and electronics. In this volume, the author examines in detail such important aspects as magnetic fields and magnetic circuits, making it ideal for both engineering students and practicing engineers. In the fourth part of the six-volume edition, Bloodyko focuses on magnetic fields, their properties and behavior in various conditions. The reader will be able to learn about the principles of magnetic circuits, as well as how constant and variable magnetomotive forces affect electrical processes. This knowledge is fundamental to understanding the operation of transformers, electric motors and other electrical devices that we use in everyday life. The book will be especially useful for students and graduate students studying electrical engineering, as well as those who are interested in electronics and want to deepen their knowledge in this area. It may also be of interest to teachers who are looking for quality materials for the preparation of lectures and seminars. Due to its accessible language and clear structure, the book is suitable for both beginners and more experienced readers who want to refresh their knowledge. The topics raised in this edition cover a wide range of issues, including the theory of magnetic fields, the principles of operation of magnetic circuits and their practical application. Bloodyko not only explains the theoretical aspects, but also offers many practical examples, which makes the material more clear and understandable. Readers will be able to see how theoretical knowledge is applied in real conditions, which contributes to better assimilation of material. The author's style is distinguished by clarity and logical presentation, which makes it easy to follow the course of thought. Yu. In. Bladyko is an experienced teacher and practitioner, which is reflected in his works. He is also the author of other well-known works in the field of electrical engineering and electronics, which confirms his high level of expertise and deep understanding of the subject. His books are often recommended as teaching aids in universities, which speaks to their quality and relevance. This book will be an indispensable assistant for anyone who wants to understand the complex issues of electrical engineering and electronics. It not only enriches knowledge, but also inspires further research in this fascinating and dynamic field. If you are looking for a high-quality and in-depth guide to magnetic fields and circuits, then “Electrical Engineering and Electronics . At 6 p.m.. H. 4" is exactly what you need. In conclusion, if you want to expand your knowledge in the field of electrical and electronics, this book will become your reliable companion in the world of magnetic fields and circuits. Do not miss the opportunity to immerse yourself in the fascinating world of science, which will open before you on the pages of this publication.