electrical engineering group journals list developed a variety of apparatus which are used in the daily life of mankind. Using novel properties of electronics the scientists are creating a new innovative material. The recent advance is that the device which study the light waves could help to open up the electromagnetic range by terahertz. Terahertz technology is already developed to petahertz technology to study the visible light. Electrical engineering Industries focuses on instrumentality for testing, scientific discipline testing, industrial testing, and analytical testing. The industry continues to be grappling with the transition to nonleaded systems. High-reliability fields like part and military still have variety of problems that haven't been resolved. Some of these high-reliability markets are presently excluded from RoHS laws; however several firms are finding it tough to shop for tin-lead elements from chipmakers. World Health Organization cannot justify creating little numbers of components with lead-based finishes. There are still several data gaps concerning the long performance of nonleaded assemblies in hard applications. These are developed victimization optimum quality material with using latest machines and tools.