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What else can I help you with?
How efficient is a light bulb?
An incandescent bulb is 96% efficient as a heater, and 4% efficient as a source of light. A fluorescent bulb is only 60% efficient as a heater, and 40% efficient as a source of light. An LED bulb is only 10-20% efficient as a heater, and 80-90% efficient as a source of light (but that light is usually unidirectionally directed... harder to do diffuse lighting with them).
What is the least efficient kind of light bulb?
It is the Incandescent light bulb. Most of the energy are lost as heat
How many joules are saved by a energy efficient light bulb?
there are 100 joules in an energy efficient light bulb 75 joules go towards the light and 25 joules go towards the heat
Which type of light bulb is more efficient light bulb incandesent or an fluorescent light bulb?
Fluorescent is more efficient. Incandescent bulbs should not be used any more, except for some special purposes (mainly where they keep something warm).
How many watts in an energy efficient light bulb?
100
Who invented the energy efficient light bulb?
Bob the builder!
What light bulb is most energy efficient and why?
edunno soz
When comparing two light bulbs the more efficient bulb will produce less what?
The more efficient bulb will produce less heat than the less efficient bulb. This is because a higher proportion of the energy input is converted into light output rather than wasted as heat.
How do I perform a recessed light bulb replacement?
To perform a recessed light bulb replacement, first turn off the power to the light fixture. Then, carefully remove the trim and the bulb. Replace the bulb with a new one of the same type and wattage. Finally, reattach the trim and restore power to the fixture.
Why is it better to use energy efficient light bulbs?
Energy efficient light bulb saves half of energy consumed by a regular bulb, although it has a lower range light compare to the high energy consumer bulbs.
What is the useful energy of a light bulb?
The useful energy of a light bulb is the light it emits, which is used for illumination. This is the intended function of the light bulb, as it allows us to see and perform tasks in dark environments.
How efficient is a fluorescent bulb that emits the same amount of light as a 100w incandescent bulb?
It is about 5 times more efficient than the incandescent bulb, in other words for the same light a fluorescent uses one fifth the electric power.
