Magnetism and Magnetic Materials (HSC SSCE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What symbol is used to represent magnetic fields and what is the standard unit of measurement?
What symbol is used to represent magnetic fields and what is the standard unit of measurement?
, measured in tesla ()
What is the approximate range of Earth's magnetic field strength at the surface?
What is the approximate range of Earth's magnetic field strength at the surface?
to
What is the chemical formula of magnetite, the iron ore from which the term 'magnet' derives?
What is the chemical formula of magnetite, the iron ore from which the term 'magnet' derives?
What does the prefix 'ferro' in 'ferromagnetic' mean?
What does the prefix 'ferro' in 'ferromagnetic' mean?
Iron
What happens to the magnetic fields of paired electrons in an orbital?
What happens to the magnetic fields of paired electrons in an orbital?
They cancel each other out completely
What is the fundamental cause of ferromagnetism in materials?
What is the fundamental cause of ferromagnetism in materials?
Unpaired electrons in the shells
What is the rule for magnetic pole interactions?
What is the rule for magnetic pole interactions?
Like poles repel; unlike poles attract
What type of magnetic pole is Earth's geographic North Pole?
What type of magnetic pole is Earth's geographic North Pole?
A magnetic south pole
How do diamagnetic materials behave in the presence of a magnetic field?
How do diamagnetic materials behave in the presence of a magnetic field?
They are repelled by magnetic fields
What is the Meissner effect?
What is the Meissner effect?
Magnetic levitation above a superconductor