This web page is an interactive physics simulation on changing magnetic flux. It depicts a bar moving back and forth, representing the area of a loop. The voltage graph on the right allows users to see how changing the area of the coil can induce an EMF.
This item part of a collection of similar simulation-based activities by the author. See Related Items for a link to the full collection developed for a second-semester course in Electricity and Magnetism
%0 Electronic Source %A Duffy, Andrew %D March 28, 2008 %T Boston University Physics Applets: Changing Area in a Magnetic Field %V 2020 %N 26 January 2020 %8 March 28, 2008 %9 application/java %U http://buphy.bu.edu/~duffy/semester2/c17_area.html
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This item is an extends the concept of induction of an EMF by changing the area of the loop. It features a bar sliding on rails with a current passing through it. Students can see how changes in the magnetic flux will cause the bar to speed up or slow down.