Why Outlets Spark When Unplugging—EMF and Inductors

Have you ever observed a spark when unplugging something? An engaging video series covering physics concepts tackles why this happens and if you should be concerned. Learn about inductors, Faraday's Law of Induction, and watch sparks fly!

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CCSS: Adaptable
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Instructional Ideas
  • Experiment with inductors in smaller electric circuits
Classroom Considerations
  • Content ends at 5:45, and the remaining portion of the video is an advertisement
  • Relies on prior knowledge of electric circuits
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information
  • Offers subtitles in five languages for ELLs
  • Works well in traditional or flipped classes
  • Features a female scientist role model
  • None