why is it not advantageous to connect colored light bulbs in series?
147150
The electricity to power all the lamps passes through all of the lamp filaments as opposed to each lamp drawing enough power for it's filament only. The lamps have more current going through each filament causing them to burn out faster so they must be made thicker and when 1 burns out, they all go out.
921578
120W would be brighter, and here is why:\n120W light bulb would have higher temperature (rough argument: dQ/dt= c*m-sigma*T^4, at equalibrium c*m = sigma*T^4 =P =V*I, where c= heat capacity per mass), and by Planck's law of black-body radiation will emitt more visible light than Infra Red light, so it's more efficient in producing visble light for the same energy than 2x 60W light bulbs. Great question.
475042
Incandescent bulbs are yellowish becuase they are not really that efficient in generating white light, they are better at generating heat. The bulb lights up becuase of the heat of light and as it gets hotter it goes through the electromagnetic spectrum: purple-blue to greennish yellow, red-orange and then white. However as incandescents wear out they dont produce white light anymore and produce yellowish light.
915451
I suppose it should not be a problem.  Only the high voltage should let the bulb fail.  check the voltage rating of the bulb.  The input voltage should not be higher than the voltage indicated in the bulb.
951468
There are a number of products on the market that will do what you want, and be certified and safe.\n\nMake sure you get a warm LED though: cool white LEDs produce a terrible colour of light.\n\nhttp://www.theledlight.com/120-VAC-LEDbulbs.html
601207
Voltage drops for multiple lighting systems are usually handled by using 277 volt AC. \n\nThe multicore cable is something I have no working knowledge on.  Sorry better to say so than to BS you.
599671
If one load fails, the others remain on whereas in a series, if one load fails, they all fail (remember the old Christmas lights?)
924992
If they expand unevenly, small gaps will develop between them. This will allow air in, which will oxidize the filament, and the life of the filament in the bulb will be shortened.
783681
Fluorescent light is better for seeing the true color of things, but incadescent bulbs are better for the eyes.  While the white light is good for appllications where color clarity is key, the flisker of the bulbs is more straining.  Fluorescent bulbs are also more energy efficient and have a longer lifetime.  The only drawback is that they contain some mercury, so you have to be aware of the regulations regarding the disposal of fluorescent bulbs/tubes.
403379
Standard light bulbs contain a tungsten filament connected to electrical contacts inside a vacuum so that there is no (or very little oxygen).  When electricity flows through the high-resistance filament, the filament glows white hot, giving off light and heat.\n\nOther types of light bulbs (fluorescent, halogen, etc.) work a little differently.  If you want information on those, just say the word.
846799
It takes energy to push that current through your lights and appliances, and that's what your paying for. One way to see it is to consider that what comes out the downstream prong is at 0 volts and therefore of no use to anyone. Or, you could just wire all your lamps in series and see how that works!
309604
NO.  When the lightbulb burns out the filament breaks.  The filament is what the electricity flows through to create light.  When this breaks there is no path for current to flow, therfore no electricity is used.
934027
I'd probably choose luminescent due to the cheapness and effectivity of the lightbulb; I personally don't like the light a incandescent light bulb gives off.
613982
Old fluorescent tubes, which required a ballast to start, used a bunch of electricity to turn on - but a small amount of electricity to keep them on. So it was more economical to leave them on rather than turn them off for a few hours.\nImprovements in design have eliminated that anomaly and there is now little difference in the power needs to start and maintain the bulb.
456270
While I have very very strong opinions on Bush's political agenda of robbing from the masses to give to his ultrarich handlers, I think it's best to focus on the technical side of your question regarding fluorescent bulbs verses incandescent bulbs.  Fluorescent bulbs (and yes, that's spelled right...lol) are four to six times as energy efficient as incandescent ones.  Meaning, for example, that a 15 watt Fl bulb produces as much light (in lumens) as a 60 watt Inc bulb.\n\nOk, great...we save three fourths of the energy...sounds good, right?  Sure...but it's not gonna happen.\n\nMany people won't switch because of up-front costs.  To replace all the light bulbs in your house would be a very very expensive feat.  Yes, it would save you a lot in the long run, but most of us just don't have that kind of investment money.  Another factor is that fluorescent light and incandescent light just isn't the same spectrum.  Most of us, in our own homes, prefer the warmer light provided by incandescent.  Think about how sterile a doctor's office, or a walmart, or an office, feels.  Not the way we want our homes to feel most of the time.  Switching may be smart money in the long run, but it's not really what most people would do given the choice.\n\nIf, by the way, you want to save massive amounts of energy...the way to do it would be to weather-strip every house in America...that's cheap to do and EVERYONE would like the result in their house!
306346
I guess so.. That's kind of stupid though. Why would you want to change a lightbulb with your feet? Once you get the bulb situated to where it stays in the socket without falling, then it would be pretty easy to keep it rotating until the electricity can circulate throughout the bulb. Try it...
692402
UV light bulbs only last for so long.. after a while they stop being able to emit the same wavelengths \n\ni know because I use one for my night blooming coral, they only open up to UV light and I have to change it every year or so..