Electrical systems are networks that generate, transmit, and use electrical energy to power devices and appliances. They consist of various components, including generators, transformers, and wires, which work together to deliver electricity from power plants to homes and businesses. These systems ensure that we have the energy needed for lighting, heating, and operating electronic devices. In everyday life, electrical systems are essential for our comfort and convenience. For example, when you flip a switch to turn on a light, you are using an electrical system that connects the light bulb to the power source. Understanding these systems helps us appreciate the technology that powers our modern world.