The cheap $5 to $10 ones usually last about 40 to 60 hours on average.
$40 Phillips last about 500 to 700 hours
Christmas bulbs usually last for a very long time. Especially LED bulbs. The LED bulbs usually last around 75,000 hours. But conventional Christmas lights will only last 1,000 to 2,000 hours.
Many of Edison's first bulbs lasted less than 40 hours.
It depends on the design of the bulb. Typical incandescent bulbs last between 750 and 1000 hours of operation.
It depends entirely on the bulbs being compared. There are some very bright fluorescent bulbs. In some Compact Fluorescent Lamps (CFL) they take longer to get to full brightness. Also the frequency of the light emitted has a lot to do with the brightness the eye perceives.
It depends on the type of light bulb and its wattage. Typically, LED bulbs can last up to 25,000 hours or more, while incandescent bulbs last around 1,000 hours. It's recommended to turn off lights when not in use to prolong their lifespan.
Yes, LED bulbs can burn out over time, but they typically have a much longer lifespan compared to traditional incandescent bulbs. LED bulbs can last for thousands of hours before needing to be replaced.
The Epson PowerLite bulbs are rated for 4,000 hours.
Any where from 3000-6000 hours :)
Fluorescent bulbs typically last around 10,000 to 15,000 hours. Factors that can affect their lifespan include frequency of use, temperature fluctuations, and the quality of the bulb.
The bulbs should be replaced as often as it takes to keep up their tanning power in the shortest amount of time. The average time is after 400 hours this is about the peak for the tanning power, however the bulbs can last up to 10,000 hours before they are innefective.
LCD bulbs last longer.
T5 bulbs technically will last for about 20 000 hours. That's over 2 years if they were on continuously. However, if you are using them for an aquarium, they should be replaced every 10-12 months.