Podcast
Questions and Answers
What type of substances are weakly attracted to an applied magnetic field?
What type of substances are weakly attracted to an applied magnetic field?
- Diamagnetic substances
- Antiferromagnetic substances
- Ferromagnetic substances
- Paramagnetic substances (correct)
Which materials are strongly attracted by magnetic fields and can be magnetized to become permanent magnets?
Which materials are strongly attracted by magnetic fields and can be magnetized to become permanent magnets?
- Copper and carbon
- Iron, cobalt, and nickel (correct)
- Aluminium and oxygen
- Chromium and neodymium
What gives rise to a magnetic field according to the text?
What gives rise to a magnetic field according to the text?
- Only electric currents
- Only magnetic moments of elementary particles
- Both electric currents and magnetic moments of elementary particles (correct)
- Only ferromagnetic materials
Which class of physical attributes occur through a magnetic field allowing objects to attract or repel each other?
Which class of physical attributes occur through a magnetic field allowing objects to attract or repel each other?
What is responsible for most of the effects of magnetism encountered in everyday life?
What is responsible for most of the effects of magnetism encountered in everyday life?