Europe V.S. USA Voltage Systems

  • 🎬 Video
  • ℹ️ Published 4 years ago

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I’m visiting Europe, and because I’m a physicist, I buy a 100 Watt light bulb as a souvenir, which is designed for their 240 V circuits. When I put it in my lamp in San Diego, how much power will it produce with our 120 V system?