Monthly Archives: January 2012
Posted on January 16, 2012 by Buzz Putnam
I constructed the do-it-yourself Faraday Motor with my students as a demonstration, just as the video instructs Their reaction was amazing! When linking the concepts of Electricity with Magnetism, I normally use pre-made motors and other conventional equipment that has been purchased or donated over the years. When I decided to create the "original" Faraday [...]
This post was posted in The Teacher's Blog and was tagged with faraday, motor, electromotive force, magnetism
Posted on January 11, 2012 by Dr. Joel Bryan
In 1820, Danish physicist/chemist Hans Christian Ørsted noticed that when current from his Voltaic pile was switched on and off, a compass needle placed near the wire deflected from true magnetic north. Within a few months of careful study, he deduced that a magnetic field circles a current-bearing wire.
This post was posted in CoolStuff Newsletters, Electricity, Magnetism and was tagged with magnetism, faraday motor, voltaic, electric motor