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40 watt light bulb. This is obvious. Go do an experiment. -_-
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∙ 12y ago
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Who invented the electric light bulb what year was it invented and why was it necessary?
The first electric light was made by Humphry Davy in 1800. But it was not practical. A practical light bulb was developed by Thomas Edison in 1879. The light bulb revolutionized the world by making it possible to carry on near normal behavior at night. Prior to the light bulb people had only the dim light of candles and flame lamps.
Was the idea of the light bulb welcomed?
At first people thought it was a sign from the devil, a human being able to see at night. The Roman Catholic Church banned the idea of the light bulb because they thought if God wanted us to see at night then the moon would be brighter.
What is the input or output of the light bulb?
Input to light bulb is Electricity and output is light.
When and where did Thomas Jefferson invent the light-bulb?
Thomas Jefferson did not invent the light bulb. The light bulb was invented by Thomas Edison in 1879 in New Jersey.
Labled diagram of Thomas Edison light bulb?
the light bulb by Thomas Edison
What is the minimum watt of a light bulb 30 40 50 60 or 70 watt for night reading?
40 watts. I did an experiment on this. Go do one and see for yourself. Sheesh. -_-
Can a light bulb be used for reading?
Yes, they can be used for reading.
How did the light bulb help?
The invention of the light bulb made it possible to work longer hours. It increased safety in the workplace. The light bulb replaced oil lamps in homes. The oil lamps were fire-hazards. People found that they could enjoy leisure activities such as reading at night time.
Why is the light bulb a great invention?
because it produce light in the night
What shines at night time?
A light bulb...LOL jk you cant afford a light bulb so nothing shines in your lamp.
Who persuaded Edison to invent the light bulb?
who ever is reading this you are an idiot
Is it safe to leave a night light on all night?
Yes , it is safe to leave a night light on all night , however it depends on the size and the bulb.
Why did josehpswan invented the bulb ligh?
Joseph Swan is not credited with inventing the first practical light bulb. That honor goes to Thomas Edison. The light bulb was invented to light the night.
How has the light bulb changed since it was invented?
any where you look you will se a light bulb. This made things able to be done at night for more squezeen of work hours. probably the light bulb invented the night shift also.
Why did he invent the light bulb?
he invented it so people can see at night
How do you change the reading light bulb in a dodge neon?
Do you mean the dome light? If so just pop off the cover with a flat head screw driver and pull out the bulb
What light bulb produces best light to read under?
westinghouse has a bulb called the eye saver that was designed by nasa. it has a chrome film on the top of the bulb to reflect light downward. and the 125 watt rating was tested as the best wattage for reading.
