Answer the following statement(s) true (T) or false (F)
1. All magnetism is essentially electromagnetic in origin.
2. Magnetism is the same force as the attraction and repulsion forces caused by static electrical charges.
3. Iron, nickel, cobalt, and some oxides and alloys are called ferromagnetic materials.
4. Alnico 7 is presently the most frequently used permanent magnet material.
5. When a wire is wound into the form of a coil, each turn of wire is surrounded by its own circular magnetic field.
1. True
2. False
3. True
4. False
5. True
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