Electromagnetic field research focuses on the study of the electric and magnetic fields that are produced by charged particles and changing currents. This research area explores the properties, behavior, and effects of electromagnetic fields in various applications such as telecommunications, electronics, medical imaging, and power generation. Researchers in this field often investigate the interaction of electromagnetic fields with different materials and how they can be manipulated for specific purposes. The study of electromagnetic fields is essential for understanding fundamental principles of physics and developing innovative technologies.