Write the word True if the statement is correct or False if it is incorrect, Write your answers on a separate sheet of paper. 1. Electromagnet is a permanent magnet that can attract any metal or magnetic material. 2. The number of coils of wire affects the magnetism of an electromagnet. More coils of wire means less magnetism. 3. An electromagnet can be made stronger by adding more coils of wire. 4. When electricity stops flowing through a coil of wire, the nail continues attracting any metal or magnetic material. 5. An electromagnet may be produced by making electricity flow through a coil of wire wound around an iron nail. 6. Nothing can be done to increase the strength of an electromagnet. 7. Electromagnet is important in our everyday life. 8. By using smaller core, we can increase the strength of an electromagnet. 9. Telephones, buzzers and doorbells use an electromagnet. 10. The coils should loop in one direction only.
