This book contains six chapters, the first chapter concerned with identifying characteristics and semiconductors, given its importance in the study of electronics, and speaks in the second quarter on the theory of transport. In the third chapter, we refer to the magnetic characteristics, and expand in the fourth quarter in the general characteristics of condoms. The Chapter V Alnashvh connectivity. Thrills primary and explained, and then concludes the book compilation summarizes interaction with Jawak Alosemeh and electromagnetic radiation.