Unit 12: Electricity and Magnetism – Magnetism and Electromagnetism

This is where it all comes together. How do we get the majority of our current? We get it from electromagnetic interactions in a generator. Let’s put the icing on the electricity cake by understanding how they work!

Avon Lake Power Plant c. 1965 (above) and c. 1925 (below)

Fun fact: Your teacher’s great grandfather was the architect of the plant!
(Please don’t blame him for the subsequent additions.
He just did the original part of the building.)

RESOURCES FOR THIS UNIT

Full teacher notes available by request via email to Michelle.Burgess@avonlakecityschools.org
from an official educational institution email address.

VIDEO LECTURES
Video 1: Introduction and Magnetic Force on a Moving Charge (two parts)

Video 2: Magnetic Force on Current-Carrying Wires

Sweet demo at 11:30 (MIT lecture)

Video 3: Magnetic Force BY Current-Carrying Wires

There’s a sweet demo at 15:00 in the same MIT lecture as the one under video 2. Be sure to watch it. Below is a good animation of a device called a solenoid. We’ll use these in class. Be sure to watch the video.

Video 4: Electromagnetism

 

HELPFUL WEBSITES

  • PhET Generator helps you visualize magnetic fields and magnetic domains. It also allows you to play with a simple electromagnet and create alternating current with a simple generator. Click on all the tabs and explore the options.
  • PhET Faraday’s Law is simplistic but helpful.

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