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