Brightness is measured in lumens so the bulb has a brightness of 100 lumens. The electrical power the bulb uses is measured in watts.
The efficiency of a bulb is expressed in the number of lumens produced per watt of electric power.
It depends on the make !! A cheap one < 100 lumen, a high quality, say Osram 140 lumen
This question is ill posed. Lumen is a unit of measure for how much light comes from the lamp Watt is a unit of measure for how much energy is used by the lamp If the question were; "Which is brighter, a 2000 lumen bulb or a 1500 lumen bulb?" then the answer would be: The 2000 lumen bulb. I think the relation ship between lumen and watt is something like: Incandecent bulbs are 15w/lumen Flourecent bulbs use 40w/lumen LED bulbs are 70w/lumen The way to show the watt and lumen relationship is usually lumens (amount of light) per watt (energy consumption). This is like gas in your car (Miles or KM per Gallon or Liter). Incandescent bulbs have a maximum luminosity of 52 lumens/watt. Fluorescent bulbs range from 46 lumens/watt (CFL) to 100 lumens/watt (T5 and T8 tubes) LED bulbs range from 29 lumens/watt (older, low efficiency) to 100+ (XCree) and they are getting better.
The 100 watt lumen-equivalent bulbs use 20 watts. The 60 watt lumen-equivalent bulbs use 16 watts.
The bulb is marked with the power (watts) and the voltage. Divide the watts by the volts and you have the amps.
Incandescent Watts...... . ..CFL Watt range... . . ... .. Lumen Range 406075100150 8 - 1013 - 1818 - 2223 - 2834 - 42 450890121017502780
It depends on the make !! A cheap one < 100 lumen, a high quality, say Osram 140 lumen
bright light
The rhyming word for a 100-watt bulb is "dull."
bright light bright light
bright light
This question is ill posed. Lumen is a unit of measure for how much light comes from the lamp Watt is a unit of measure for how much energy is used by the lamp If the question were; "Which is brighter, a 2000 lumen bulb or a 1500 lumen bulb?" then the answer would be: The 2000 lumen bulb. I think the relation ship between lumen and watt is something like: Incandecent bulbs are 15w/lumen Flourecent bulbs use 40w/lumen LED bulbs are 70w/lumen The way to show the watt and lumen relationship is usually lumens (amount of light) per watt (energy consumption). This is like gas in your car (Miles or KM per Gallon or Liter). Incandescent bulbs have a maximum luminosity of 52 lumens/watt. Fluorescent bulbs range from 46 lumens/watt (CFL) to 100 lumens/watt (T5 and T8 tubes) LED bulbs range from 29 lumens/watt (older, low efficiency) to 100+ (XCree) and they are getting better.
Yes. It just won't be as bright.
The 100 watt lumen-equivalent bulbs use 20 watts. The 60 watt lumen-equivalent bulbs use 16 watts.
bright light
10-11 lumens per watt for incandescent bulbs 13-14 lumens per watt for halogen 50-60 lumens per watt for fluorescent
Very little, but it is noticeable, with a bright light in a small room. A light bulb puts out between 9 watts (energy-saving fluorescent light bulb) to approximately 100 watts (bright incandescent light bulb). Your average bar-heater, for comparison, puts out about between 1200-2400 watts.
The bulb is marked with the power (watts) and the voltage. Divide the watts by the volts and you have the amps.