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Science L3 Electrical circuits

  • Game Code: 1277293
  •  English    18     Public
    How a light bulb lights up
  •   Study   Slideshow
  • Which of these light bulbs is more efficient?. LED or Fluorescent light bulb?
    LED
  •  15
  • Which type of light bulb was the first light bulb made? LED, fluorescent or incandescent light bulb?
    Incandescent light bulb
  •  15
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