A.Write the word TRUE if the statement is correct. If the statement is wrong, write FALSE on the blanks before each number.
______1. The electromagnet may be produced by making the electricity flow through a coil of wire wound around an iron nail.
______2. When electricity stops flowing through a coil of wire, the nail continues attracting any metal or magnetic material.
______3. An electromagnet can be made stronger by using less coils of wire.
______4. The number of dry cells used, affects the magnetism of na electromagnet. More dry cells mean less magnetism.
______ 5. Electromagnets are permanent magnets that can attract any metal or magnetic material.
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A. Write the word TRUE if the statement is correct. If the statement is wrong, write FALSE on the blanks before each number.
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Answer:
1.true
2.true
3.false
4.true
5.falce