The book "Determination of specific resistance and specific electrical conductivity of the conductor" by B. C. Poznyaka is an in-depth and fascinating study focusing on the most important aspects of electrical engineering and materials science. This publication will be a real discovery for students, graduate students and anyone interested in the physics and electrical properties of materials. In his work, Poznyak immerses the reader in the world of electrical phenomena, explaining how and why conductors behave in one way or another in different conditions. The book covers not only theoretical foundations, but also practical aspects, which makes it an indispensable tool for future engineers and scientists. The reader will be able to learn about the methods of measuring resistivity and electrical conductivity, as well as the influence of various factors on these characteristics. One of the key themes of the book is the relationship between the structure of a material and its electrical properties. Pozniak explains how microscopic changes in the structure of a conductor can lead to significant changes in its conductivity. This topic will be especially interesting for those who are fond of nanotechnology and modern materials, as it opens up new horizons for the development of more efficient conductors and electronics. The book also addresses issues related to the practical application of the theory. Poznyak shares his experience in conducting experiments and analyzing the data obtained, which will help readers not only understand the theoretical aspects, but also learn how to apply them in practice. This makes the publication especially valuable for students of technical specialties who are preparing for laboratory work and projects. The author's style is distinguished by clarity and accessibility, which makes it easy to assimilate even the most complex concepts. In. C. Poznyak is an experienced teacher and researcher, and his ability to explain complex things in simple language makes the book attractive to a wide audience. He is also the author of other well-known works in the field of physics and electrical engineering, which confirms his authority in this field. This book will be of interest not only to undergraduate and graduate students, but also to practicing engineers, researchers and anyone who wants to deepen their knowledge in the field of materials conduction. It will be an excellent addition to the library of anyone interested in physics, electrical engineering or materials science. If you are looking for information about , How to measure resistance , What factors affect electrical conductivity , or just want to expand your knowledge in the field of electrical properties of materials, the "Definition of resistivity and conductivity of the conductor" - this is , What do you need. The book will not only give you the necessary knowledge, but will also inspire further research and experiments in this fascinating field of science. Thus, “Definition of resistivity and conductivity of the conductor” is not just a textbook, but a real find for everyone who seeks to understand and master the complex aspects of the electrical properties of materials. Discover the world of electricity with B. C. By late and discover new horizons in science and technology!