I have three lights...?
112715
the riddle really goes like this: There are 3 lights and 3 light switches. The lights are in a room and the switches are in the basement. How do I see what switch goes to what bulb with only one trip up and down the stairs? \n\nAnswer: turn on switch 1 for 20 minutes and turn it off, turn on light 2 for 5 minutes and turn it off, turn on light 3 and leave it on. go upstairs and feel the bulbs. the really hot one is the 1st switch, the warm one is the 2nd switch. and the one that is on is the 3rd switch
35908
Here are the steps to do this task-\n\n1.Let's name the bulbs A,B & C & the switches 1,2 & 3.\n\n2.Put the switch #1 ON & leave it for some time.\n\n3.Now put switch #1 OFF & immediately put #2 ON.\n\n4.Quickly, go to the second floor & touch all the bulbs.\n\n5.The hottest bulb which is not glowing is connected to switch #1\n\n6.The glowing bulb is connected to switch #2\n\n7.The bulb which is not glowing is connected to switch #3
33875
1) turn on  the 1st switch for 20 min.\n2) turn off the 1st switch\n3) turn on the 2nd switch\n4) go into the room, feel the temp. of each bulb. the hot on that isn't on is the 1st switch, the one that's on is the 2nd, and the other is the 3rd
310889
get some batteries, get some wires, and a very small lightbulb and a socket. So it should look like this:\nBattery(+) ... wire ... paperclip ... lightbulb ... wire ... (-)Battery
215667
check ur connections and see if there are any loose wire or burnt bulbs
823896
did you mean how does a light sensor work?
447349
Red Light, Red Light, Red Light!!!!! Look at those warnings seroiusly, your friend is a control freak and a powertripper, let him/her know it's not on otherwise it will only get worse and your relationship wont be able to be repaired.
786014
Flood Lights!!!  ha ha ha!!
759770
Three?  Sounds like your computer.  Did you uninstall the drivers for the other cams?  You  need to try them on another computer to eliminate your computer being the problem.
734064
From How Stuff Works:\n\n"A three-way bulb has two filaments in it. The next time one burns out, carefully open it (for example, wrap it in a towel and hit it lightly with a hammer) and you will see the two separate filaments. \n\nFor the lowest setting, one filament comes on (it might be a 50-watt filament). For the next setting, the second filament comes on (it might be a 100-watt filament). For the third setting, both come on, for (in our example) a total of 150 watts. \n\nLook also at the end of the bulb's base -- you will be able to see how the lamp controls the two filaments. "\n\nAlso:\n\n"A three-way bulb has two filaments of different wattage -- typically a 50-watt filament and a 100-watt filament. The filaments are wired to separate circuits, which can be closed initially using a special three-way socket. \n\nThe switch in the three-way socket lets you choose from three different light levels. On the lowest level, the switch closes only the circuit for the 50-watt filament. For the medium light level, the switch closes the circuit for the 100-watt filament. For the brightest level, the switch closes the circuits for both filaments, so the bulb operates at 150 watts."\n\nHope this "brightens" your day!
1072750
turn on the first 2 switches  let them sit for a little while.  then turn on the 1st and 3rd switch.    go into the room right away, if the bulb is hot but off that means it was the 2nd one (because the switch is now off but it had to be on)  if the bulb is cold still (not really hot) it was the third one because the light just turned on and the 1st one didn't turn it on at all  if it is not on and the bulb is not hot at all it was the fourth because you never touched that switch  it was on and hot then it was the first because it was on long enough for the bulb to get hot.  \n\nso... when only the 1st and 3rd swith was on (after turning off 2)\n1=if it was on and hot\n2=if it was off and hot\n3=if it was on but cold\n4=if it was off and cold
858637
hmm...surge somewhere.  Could be very dangerous, though.  Call electrician tomorrow.
1088715
3 groups in series with all the lights in each group in parallel.
1171106
I'm working on getting it brighter....
686453
u can use switchs to power each one at a time but u ll need to place them in a parallel format cause using serial means u have to power the first bulb to be able to light any other ,other than that u can use relays and connect them in a way to have the light going in a sequence
664846
extra lighting, make it super bright
1167946
That depends.  I need a little more info.  Are they common area lights?  Does anyone else benefit from them?  Usually the answer is no he can't.