Shorttitle It contains the major classification for electrical engineering and the basics concept for solving circuits. both linear and nonlinear circuits are introduced.AC and DC are presented as single and 3 phase systems are explained. Semiconductor basic is given. mathematical and graphical methods are introduced. Circuit elements are specified and vector diagram is utilized. Different examples are solved in details and some problems are given. The book is suitable for engineers and students either university or technical institutes. Both electrician or non electrician students can easily use it. the major idea of the book concentrated in the base of understanding of electric circuits and how to work with. the most of used symbols and engineering units are presented. fundamentals of transients in simple circuits are illustrated.Magnetic circuits are studied and explained where all major elements and factors are illustrated.