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How many 40 watt bulbs are equal to a 400 watt high pressure sodium bulb?
Wiki User
∙ 14y ago
In terms of power comsumption, it's simple - 10. 40 watts times 10 give 400 watts. In terms of lighting ability, it's not nearly so simple. Ten dim bulbs don't provide as intense a light source as one bright one. They can be spread out to better light a large area and maybe not have as many shadows as would a single light source, but nowhere will it be very bright, even if the ten dim bulbs are all next to each other. So, the proper answer to your question is, "There is no real 'equivalence' between the two."
Wiki User
∙ 14y ago
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How do you produce light bulbs in CO2?
You do not. CO2 has nothing to do with the creation of a light bulb. A typical incandescent bulb has a vacuum inside. No light bulb uses CO2.
What inert gasses are used in light bulbs?
Certain light bulbs are gas filled. Consider Xenon and Neon bulbs. The ideal for a filament bulb is to use a vacuum bulb, however, inert gases can also be used. The point is to avoid the rapid oxidation that occurs at high temperatures in the presence of air.
How is nitrogen used in light bulbs?
because if we will fill any other gas in bulb when it will come in contact with heat produced by bulb it will burst
Which gas is used in electric bulbs?
Different kinds of light bulbs used different gasses. The incandescent bulb uses no gas - it uses a vacuum. Other kinds of bulbs may use nitrogen, argon, neon, or krypton.
How does a dropper work?
If you squeeze the bulb to expel most of the air, then release it with the tip under water, the pressure in the bulb drops and external air pressure on the surface of the liquid in its container forces the liquid into the dropper. When you squeeze the bulb again, you increase the pressure and force the liquid out.
Are sodium light bulbs made of glass?
Yes, Sodium bulbs have a glass center piece and a glass bulb surround.
How do you ignite a 400w electronic metal halide or high pressure sodium bulb?
You need the appropriate ballast for either of these bulbs to make them light.
Pressure bulb can you use a sodium bulb in a mercury fixture?
no
Can you replace a 150 watt sodium bulb and use a lower 70 watt sodium bulb?
If both bulbs fit into the same socket I would presume this to be fine.
Can you use a 70 watt high pressure sodium bulb in a 150 watt ballast?
No, you can not use a 150 watt high pressure sodium bulb with a 70 watt ballast.
What type of light bulbs are in the street lights you see lighting streets in the city and on freeways?
They are most likely a type of metal halide bulb. <<>> The above answer bulb has a bright white light output. If the light output has an orange look about it then the bulb is a high pressure sodium lamp.
Does a 400W high pressure sodium bulb have silver in it?
The 400W high pressure Sodium bulb contains a silver lining inside the frame to give better reflection of light. However, no silver is found inside the bulb.
Can you use a hps bulb in a metal halide fixture?
In most cases a cfl bulb can be replaced with an incandescent bulb as long as the base matches. for an example: if a cfl bulb has a GU24 base an incandescent bulb will not work! Also, ensure the wattage of the bulb does not exceed manufacturers rating.
How many types of light bulbs are there?
352 There are six different types of light bulbs invented as of December 27, 2012. They include the incandescent light bulb, the halogen light bulb, the fluorescent light bulb, the high-density discharge lamps, LEDs, and sodium lamps.
What metal is used in electric light bulbs?
This is different depending on the type of bulb. Most bulbs copper or kovar (or other alloy with thermal expansion rate matching that of glass) wires are used for connections.tungsten wire is used in incandescent bulbs for the filamentmercury liquid (which evaporates to form mercury vapor) is used in fluorescent bulbs and tubes as well as mercury vapor streetlight bulbssodium vapor is used in both high pressure sodium and low pressure sodium streetlight bulbstungsten studs are used as discharge electrodes in HID car headlight bulbsetc.
How do you tell if high pressure sodium bulb is bad?
my HP sodium light just quit working. How can I tell if the bulb is out or the fixture mounted on the pole is bad. Hate to pay $35 for a bulb if the fixture is the culprit.
What is the plural form of the word bulb?
The plural form of the word "bulb" is "bulbs."
