In electrical engineering, foundational theories serve as the bedrock for understanding complex systems. Key theories include Maxwell's equations, which describe the behavior of electromagnetic fields, Ohm's law for electrical circuits, Kirchhoff's laws governing current and voltage in circuits, and Fourier analysis for signal processing. These theories provide the framework for designing, analyzing, and optimizing electrical systems, from power grids to microelectronics. How do these fundamental theories shape your understanding and approach to electrical engineering problems?