Light bulb provide electrical light.
A fixture is what the light bulb goes into.
what is the relationship of light bulb and grounding
it varys from light bulb to light bulb.
bulb
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Thomas Edison is best-known for the light bulb.
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No. The light bulb is two words, not a combination of light and bulb.
A bulb does not light up if there is no voltage available across the bulb, or if the bulb is burned out.
A light bulb
Light bulb provide electrical light.
To build the light bulb.
No. The light bulb is two words, not a combination of light and bulb.
Beryllium is not only a stable light metal but also comes with a high melting point.
The beryllium is not actually a coating on the window of an x-ray tube, it is the window of the x-ray tube. Beryllium is essentially invisible to x-rays, just like glass is essentially invisible to visible light. Just like we use a glass window to let sunlight in and keep the bugs out of our house, x-ray tubes use beryllium windows to let the x-rays get out of the tube and keep the air out of the tube (x-ray tubes have a vacuum on the inside, just like a light bulb does).For more information, take a look at:http://en.wikipedia.org/wiki/Beryllium#Radiation_windows
The electric light bulb came first but was patented later that the telephone was.