What's In An ordinary magnet pulls or attracts anything made of iron or steel towards itself. The only way to make it let go is to pull it off. A lodestone is a naturally magnetized piece of mineral rock (Villegas, 2009). But you cannot turn off its magnetic capability. There is, however, a type of magnet that can be turned on and off. This is called an electromagnet. Which of the following pieces will stick to the electromagnet? Write your answers on a separate sheet of paper. 1. An electromagnet is only a 2. If an electromagnet is composed magnet when it has electricity of a coil of wire and a piece of iron, running through it. which would be the core? false coil of wire true piece of iron 3. Which electrical appliance at home would be using electromagnet? an 4. Which metal is most suitable to be used in an electromagnet because it is less expensive? electric bell copper electric bulb silver​