Electrical engineering is a field of engineering that deals with the study and application of electricity, electronics, and electromagnetism. It encompasses a broad range of subfields such as power systems, telecommunications, signal processing, control systems, and electronics. Electrical engineers design, develop, test, and oversee the production of electrical equipment, systems, and devices for various applications in industries such as telecommunications, energy, transportation, and healthcare. The research in electrical engineering focuses on advancing knowledge in these areas and developing new technologies to address challenges and improve existing systems. Major research topics in electrical engineering include renewable energy sources, smart grid technologies, communication systems, integrated circuits, and sensor networks.