Electrical devices are tools or machines that use electricity to perform specific tasks. They can be found in our homes, schools, and workplaces, making our lives easier and more efficient. Common examples include light bulbs, televisions, and computers. These devices convert electrical energy into other forms, such as light, sound, or motion, allowing us to enjoy various activities and services. Many electrical devices are powered by batteries or plugged into electrical outlets. They come in different sizes and complexities, from simple gadgets like calculators to more advanced systems like smartphones. Understanding how these devices work helps us appreciate the technology that surrounds us and the role it plays in our daily lives.