A bar magnet that holds a chain of nails illustrates
A) magnetic field displacement.
B) magnetic induction.
C) electromagnetic induction.
Correct Answer:
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Q17: The ultimate source of all magnetism is
A)tiny
Q18: Magnetic domains normally occur in
A)iron.
B)copper.
C)silver.
D)all of the
Q19: Every magnet contains at least
A)one pole.
B)two poles.
C)four
Q20: The rule for the interaction of magnetic
Q21: The minimum or no magnetic force on
Q24: Several paper clips dangle from the north
Q25: The magnetic field lines about a straight
Q26: The magnetic field lines generated by a
Q27: A common electromagnet consists of a
A)bar magnet
Q29: The lift experienced by Maglev trains is
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