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