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Do You See the Light?

What do you know about this invention?


Quiz ID:#28213
Fun:*** (2.29)
Difficulty:** (1.91)
Category:Technology > Gadgets
Created By:4wheelsAus****!!




#1   Who invented the first light bulb?

#2   How long does an average incandescent light bulb last before you need to replace it?

#3   In which U.S. state was the first light bulb showcased to the public?

Your Answer: (Show Hint)

#4   There is air inside a light bulb.

#5   What is the filament's function in a light bulb?

#6   Fluorescent light bulbs contain mercury.

#7   Which type of gas is most often used inside of a light bulb?

#8   What are LED light bulbs mostly used for?

#9   When in use, what is the average temperature of the filament?

#10   What is the main problem when using a halogen light bulb?





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