The manual was developed on the basis of state educational standards of higher professional education and is intended for full-time, part-time and part-time students in the areas of training "Technical Physics," "System Analysis and Management," studying the discipline "Theoretical Foundations of Electrical Engineering. Electromagnetic field." The manual can be used by students of all forms of education in the areas of training "Energy Engineering" and "Electric Power Engineering and Electrical Engineering," faced with the need to study the electromagnetic field, as well as masters, graduate students and engineering and technical workers of electrical engineering areas.