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Big Ideas Of Science


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In this lab, you can explore an electric generator, which at its heart is simply a conducting loop rotating in a magnetic field. In this case, the field is uniform and directed into the page.

First, look at the rotating loop and predict what the graph of magnetic flux through the loop as a function of time will look like. See if you're correct. Then, predict what the graph of induced current as a function of time will look like. Again, see if you're correct. Finally, predict how the graphs will change when the loop rotates twice as fast. Again, check your prediction against the graph shown in the simulation.

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