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Average of 4000-6000 hours.
Domestic 'general service' incandescent tungsten bulbs are generally rated at 1,000 hours, but may last longer. 'Low energy' compact fluorescent lamps are rated 6,000 to 10,000 hours, mainly according to price - read the box.
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∙ 14y ago
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Why did Thomas Edison fail 1000 times?
Edison failed many times - no one knows how many - to make a filament for a light bulb that would last a long time. He did not invent the light bulb - he was working on a BETTER light bulb that would last longer.
Does a light bulb have vacuum in it?
Yes, the inside of a light bulb is vaccum sealed to increase the lifespan and brightness of the bulb. If there was air in there, the filiment would burn up and not last very long. This was an important discovery made by Thomas Edison when he invented the light bulb.
How long did Edison's first light bulb last?
13.5 hours
What was the purpose of Thomas Edison's light bulb?
To make light from electricity and last a long time doing so.
Who invented the life long lasting light bulb?
Lewis Latimer invented the long lasting light bulb.
How long does a mood light last?
The mood light will last as long as the bulbs life, which has a lifetime of an average household light bulb. once the bulb burns out, one must replace the bulb with another mood light bulb.
Why did Thomas Edison fail 1000 times?
Edison failed many times - no one knows how many - to make a filament for a light bulb that would last a long time. He did not invent the light bulb - he was working on a BETTER light bulb that would last longer.
How long did the last light bulb last?
1400 hours
When did latimer improve the light bulb?
he improved the light bulb when he saw that it did not last long and broke easily
How long a light bulb last?
300 hrs
When did Lewis Latimer improve the light bulb?
he improved the light bulb when he saw that it did not last long and broke easily
Does a light bulb have vacuum in it?
Yes, the inside of a light bulb is vaccum sealed to increase the lifespan and brightness of the bulb. If there was air in there, the filiment would burn up and not last very long. This was an important discovery made by Thomas Edison when he invented the light bulb.
How did edisons light bulb last long?
13.5 HRS.
How long did the patent on the light bulb last?
At the time of the light bulb's invention, the term of protection on a patent was 17 years.
How long does a normal light bulb last?
A flourescent light bulb lasts between 6000 to 18000 hours.
How long did the first light bulb last for?
Exsacly 13.7 hours
How long did Edison's first light bulb last?
13.5 hours
