The Theory of Linear Electrical Circuits : Methodical instructions for laboratory work on the chains of sinusoidal current for non-electricians" is a unique educational material created by a team of authors, which will become an indispensable assistant for students studying the basics of electrical engineering and electronics. This work offers readers not only the theoretical knowledge but also the practical skills necessary to successfully master the discipline. The book is based on a deep understanding of the principles of linear electrical circuits, which makes it an ideal tool for those who want to understand sinusoidal currents and their behavior in various electrical systems. The authors have carefully worked out the material so that it is available even for those who do not have a special education in electrical engineering. The book presents methodological guidelines for laboratory work, which allows students not only to study the theory, but also to apply it in practice. This creates a unique opportunity to consolidate knowledge and develop skills that will be useful in future professional activities. Who can like this edition? First of all, it will be useful for students of technical universities studying in areas related to electrical engineering, electronics and energy . However, the book may also be of interest to anyone who wants to expand their knowledge in the field of electrical circuits, including graduate students and practicing engineers. Even those who are just interested in electronics and want to understand how electrical devices work will find a lot of useful things in this book. The topics raised in the book cover a wide range of issues related to the theory and practice of working with electrical circuits. The authors discuss the basic laws of electrical engineering, methods of circuit analysis, as well as the features of working with sinusoidal currents. The book focuses on the importance of understanding the theoretical foundations, which allows the reader not only to perform laboratory work, but also to consciously approach the solution of practical problems. This makes it especially valuable for future professionals who need to be prepared for real challenges in their profession. The style of the authors is distinguished by the clarity and accessibility of the presentation, which makes it easy to assimilate even the most complex concepts. The book uses illustrative examples and diagrams that help to visualize theoretical material. This approach makes learning more fun and effective. In addition, the team of authors includes experienced teachers and practitioners, which guarantees the high quality of the material presented. If you are looking for books on electrical engineering that will help you understand the basics of electrical circuits, pay attention to the Theory of Linear Electrical Circuits. This edition will be your reliable companion in the world of electricity, providing not only knowledge, but also self-confidence. Read, experiment and discover the amazing world of electrical circuits with this book!