Questions and Answers
What gives rise to a magnetic field in magnetism?
Magnetic moments of elementary particles
Which of the following materials are strongly attracted by magnetic fields and can be magnetized to become permanent magnets?
Iron
What type of substances are weakly attracted to an applied magnetic field?
Oxygen
Which of the following materials are weakly repelled by a magnetic field?
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What is responsible for most of the effects of magnetism encountered in everyday life?
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