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Magnetism C
Συνεισφορά από: Barent
  • 1. Magnets have
A) domains
B) magnetic atoms
C) magnetic poles
D) all of these
  • 2. Like magnetic poles
A) stick to each other
B) attract
C) repel
D) behave the same
  • 3. Magnetic fields
A) are only located at the poles
B) are where the magnetic force is
C) are only located at the center of the magnet
D) do not exist
  • 4. Magnetic poles are
A) always north
B) the weakest part of the magnet
C) where the magnetic energy is the strongest
D) always south
  • 5. Elements like Iron are ferromagnetic. This means...
A) electrons are spinning in the same direction
B) their domains are alligned
C) all of these
D) they have a magnetic field
  • 6. Which magnetic properties does the earth have?
A) magnetic field
B) a magnetosphere
C) magnetic north and south
D) all of these
  • 7. Electricity
A) makes magnets stronger
B) turns magnets into turkeys
C) does not affect magnets
D) makes magnets weaker
  • 8. Which elements are magentic?
A) just iron
B) cobalt and sodium
C) Iron, cobalt and nickel
D) iron and lead
  • 9. How can a magnet be destroyed?
A) decreasing kinetic energy
B) heating and dropping
C) bending
D) breaking in half
  • 10. The rotation of the earth makes it an even stronger magnet
A) true
B) false
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