Heating elements are devices that convert electrical energy into heat through resistance. They are commonly used in appliances like toasters, ovens, and electric heaters. When electricity flows through the heating element, it encounters resistance, which generates heat. This heat is then transferred to the surrounding air or objects, warming them up. There are various types of heating elements, including metal coils, ceramic plates, and silicone mats. Each type has its own advantages and applications. For example, metal coils are often used in traditional stoves, while ceramic plates are popular in modern cooktops for their efficiency and even heat distribution.