savannahs8930 savannahs8930
  • 15-12-2022
  • Physics
contestada

david's home uses a whopping 100 watts of phantom power (e.g. modem, 4 alexa's, router, printer, garage door, clocks, etc.). he is rather annoyed about this! how much is that costing him per year if his average electricity cost is $0.15 per kwh?

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