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Comparing incandescent lamps and LED lampsFeatured science projectScience project video


It was observed that the 60W incandescent lamp provided the same brightness as a 7.5W LED lamp, showing that LED lamps provide the same brightness at a lower wattage and power consumption compared to the incandescent lamps.

The above results were then plotted onto a graph, a shown below.

Lamp type LED wattage and luminous intensity (lux)
  1.5W 3.0W 4.5W 6.0W 7.5W 9.0W 10.5W
LED 163 327 458 610 785 883 1187
Incandescent (60W) 812 812 812 812 812 812 812

 LED bulb science fair project

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Complexity level:
Project cost ($):
Time required:
1 hour for preparation, 2 hours for observation
Material availability:
Easily found at a hobby store
Safety concerns:

Risk of electrocution or burns. Be extremely careful when handling electrical equipment and electrical power supplies. This experiment requires adult supervision.