Want a quick explanation for how resistance works as an electric current flows through a wire? Then check out this video that covers electrons, conductors, ions, and the formula for resistance. It also graphs how voltage varies with a change in current. 

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Instructional Ideas

  • Bring in a voltage meter to demonstrate the result of a change in current
Classroom Considerations

  • Remember YouTube comments are open to the public and are often inappropriate
  • Video fits best as a review of resistance
  • The 25th video in a series of 49

  • Ideal for visual learners
  • Provides both closed captioning and a full written script

  • None