1. An electromagnet may be produced by making electricity flow through a coil of wire wraps around an iron nail *
True
False
2. When electricity stops flowing through a coil of wire, the nail continues attracting any metal or magnetic material. *
True
False
3. An electromagnet can be made stronger by using more coils of wire
2 points
True
False
4. The number of dry cells used affects the magnetism of an electromagnet. More dry cells means less magnetism. *
2 points
True
False
5. Electromagnet are permanent magnets that can attract any metal or magnetic material. *
2 points
True
False
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Answer:
1 yes
2 yes
3 yes
4true
5 true