Chapter 22: Magnetism and Electromagnets Quiz

What was the first significant observation that led to the discovery of electromagnetism?

What term is used for magnets created by the use of electric current?

Why are ferromagnets combined with electromagnets for certain applications?

Why are superconducting magnets sometimes preferred over regular electromagnets?

What is a limitation to how strong regular electromagnets can be made?

In what century was it discovered that electrical currents cause magnetic effects?

What happens when like poles of magnets are brought near each other?

What is destroyed in superconducting magnets if subjected to a magnetic field that is too great?

What are the induced magnets created by electric current called?

What is the name of the Danish scientist who first observed the deflection of a compass needle by a current carrying wire?

What are the induced magnets created by electric current called?

Which term refers to the use of electric current to make magnets?

What limits how strong regular electromagnets can be made?

What material is used to enhance electromagnets for applications like lifting scrap metal or in particle accelerators?

In what manner do like poles of magnets interact with each other?

What characteristic do electromagnets and ferromagnets share?

What happens when a ferromagnet is combined with an electromagnet?

What could be a reason for employing superconducting magnets over regular electromagnets?