Multiple Choice
A long straight wire carries a current upward. At a point located to the east of the wire, what is the direction of the magnetic field produced by the current at that point?
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Magnets and Magnetic Fields
Struggling with Physics?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Boron is classified as which type of magnetic material under ordinary conditions?
A
Paramagnetic (weakly attracted by an external magnetic field)
B
Ferromagnetic (strongly attracted and can retain magnetization)
C
Superconducting (perfectly expels magnetic fields via the Meissner effect)
D
Diamagnetic (weakly repelled by an external magnetic field)
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Magnets and Magnetic Fields practice set
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