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  1. Electricity - Wikipedia

  2. Electricity | Definition, Facts, & Types | Britannica

  3. Electricity explained - U.S. Energy Information ...

  4. Explainer: What is Electricity? - ThoughtCo

  5. How Electricity Works - HowStuffWorks

  6. Explainer: Understanding electricity - Science News Explores

  7. How does electricity work? - Popular Science