lumenicity (how much light something gives off) is not directly related to power. A 60 watt LED will give off more light than a 60 watt incandescent. You should check the manufacturers information. Light.com (first one to show up in my Google search) specifies a 500 lumen 8 watt LED. the 52W incandescent "soft white" bulbs I have on many dimmers in my home put of 710 lumens as a comparison.
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Generally lumen is a measure of the total amount visible light form a lamp or light source. LEDs are about the same as CFLs, producing about 50 lumens per watt, compared to 10 lumens for incandescent bulbs or 13 lumens for halogen.
Generally speaking, the lumen per one watt of different LED is different. As far as i known, some LED products can reach 120 lumen per watt or more higher which from lab or some big famous comapny, we called this is lab level, but in fact, most of companies and LED manufactures can not reach this level, theirs LED products are differenet, some of they can reach 80~90 lumen per watt, but some is very low, like companies power, technical level, product develop and many others factor will effect the lumen level. Of course, all of this conclusion is base on the test report of LED product, like lumen, color temperature, CRI, illuminances etc parameters.
There is no fixed relationship between the brightness (lumens / candela) of a light source, and its power consumption (watts). Incandescent bulbs have a low luminous output for their power consumption, Compact Fluorescent Lamps are intermediate, and LED's are the most efficient in today's world.
The power consumption of the led is very low and the life of LED bulb is high. Hence LED's are used as cost saving and energy saving measure and not hte conventional incadscant indicator bulbs. ...
Yes it will - graphite is a conductor.