BT28 refers to the bulb shape and size for a metal halide lamp. The "B" indicates it is a bulb shape, the "T" stands for tubular shape, and "28" refers to the diameter of the bulb in eighths of an inch, so a BT28 bulb has a diameter of 3.5 inches.
If you mean the screw on part that holds the lamp shade on the it's called a Finial. If you mean the stand that hooks on right below the socket I've heard it called a harp.
No, the e27 refers to the Edison screw base size of the bulb. It is a standardized designation for the type of base used on the bulb, not the length of the bulb itself.
If you mean the elements in their normal forms, F and Cl are gases, Br is a liquid, I is a solid. If you mean their ligand hard/soft qualities as halide ions:- the lighter ones are hard, Br- and I- soft
Yes, that is what the numbers mean.
If you mean the metal, yes. If you mean the coin, no.
If you mean the screw on part that holds the lamp shade on the it's called a Finial. If you mean the stand that hooks on right below the socket I've heard it called a harp.
If you mean the little metal thingy that loops around, it's a filament.
It means "tungsten" -- the metal most associated with light bulb filaments. Its Latin name is wolfram, from which it gets its element symbol, which is W.
A halogen lamp a uses a tungsten filament, but it is encased inside a much smaller quartz envelope. Because the envelope is so close to the filament, it would melt if it were maA halogen lamp also uses a tungsten filament, but it is encased inside a much smaller quartz envelope. Because the envelope is so close to the filament, it would melt if it were made from glass. The gas inside the envelope is also different -- it consists of a gas from the halogen group. These gases have a very interesting property: They combine with tungsten vapor. If the temperature is high enough, the halogen gas will combine with tungsten atoms as they evaporate and redeposit them on the filament. This recycling process lets the filament last a lot longer. In addition, it is now possible to run the filament hotter, meaning you get more light per unit of energy. You still get a lot of heat, though; and because the quartz envelope is so close to the filament, it is extremely hot compared to a normal light bulb. de from glass. The gas inside the envelope is also different -- it consists of a gas from the halogen group. These gases have a very interesting property: They combine with tungsten vapor. If the temperature is high enough, the halogen gas will combine with tungsten atoms as they evaporate and redeposit them on the filament. This recycling process lets the filament last a lot longer. In addition, it is now possible to run the filament hotter, meaning you get more light per unit of energy. You still get a lot of heat, though; and because the quartz envelope is so close to the filament, it is extremely hot compared to a normal light bulb.
It means that they are photo-sensitive, specifically silver halide as used in the emulsions photographic film.
Burned out exterior bulb
i believe you mean lamps a bulb is what you plant in the ground.
No, the e27 refers to the Edison screw base size of the bulb. It is a standardized designation for the type of base used on the bulb, not the length of the bulb itself.
if you mean chlorine, then it is a non-metal
The "BRAKE BULB" light means that a brake bulb is not working and may require replacing.
It depends upon the type of light you are turning on the type of science involves ,i mean that whether CFL's or incandescent bulb. If it is CFL the the particles in the tube ionize and starts glowing and if incandescent bulb then due to the resistance of tungsten metal the filament starts glowing. Yes, it involves science.
V on a light bulb means volts. W means watts.