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10 questions from this quiz
BBB, measured in tesla (TTT)
30 μT30\,\mu T30μT to 60 μT60\,\mu T60μT
Fe3O4\text{Fe}_3\text{O}_4Fe3O4
Iron
They cancel each other out completely
Unpaired electrons in the shells
Like poles repel; unlike poles attract
A magnetic south pole
They are repelled by magnetic fields
Magnetic levitation above a superconductor
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