Which of the following is a fundamental source of a magnetic field in classical electromagnetism?

Which statement best describes magnetic fields?

In the context of magnets and magnetic fields, which of the following metals is strongly ferromagnetic at room temperature?

Which set lists three elements that are strongly magnetic (ferromagnetic) at room temperature?

In the topic of magnets and magnetic fields, how are magnetic field line models helpful?

In magnetism, how do magnetic poles interact with each other?

In a typical bar magnet, where is the magnetic force (field strength) strongest?

For a typical bar magnet, where is the magnetic force (and field strength) the strongest?

Which option best completes the following sentence? If a magnet is carefully balanced, as in a compass, the north end of the magnet points roughly toward…