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Because inside of the glass bulb lies a vacuum that prevents the bulb from burning out within a few seconds rather than several thousand hours.

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11y ago

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What is the glass around a light bulb called?

The glass covering a light bulb is called a bulb or bulb glass, which protects the filament and controls the direction of light emitted.


What is a glass support in a light bulb?

A glass support in a light bulb is a component that holds the filament in place within the bulb. It helps to stabilize the filament and prevent it from moving around or touching the bulb's glass, which could cause the bulb to fail.


What is the insulator in a light bulb?

Glass is the insulator in a light bulb. The base has a heavy piece of glass to separate the ring from the center, and there is a glass support inside the bulb to hold up the filament and separate the wires going to the filament.


Where is the coiled filament on the light bulb?

The coiled filament in a light bulb is typically located at the center of the bulb inside the glass envelope. This filament is what heats up and produces light when an electric current passes through it.


What was the first light bulb made up of?

The first practical light bulb was made up of a filament made of carbonized bamboo that was placed inside a vacuum-sealed glass bulb. This filament would emit light when an electric current passed through it.


Is a Light bulb a heterogeneous or homogeneous mixture?

A light bulb contains a solid filament, usually made of tungsten, enclosed in a gas mixture, typically argon or nitrogen, and surrounded by a glass envelope. This makes a light bulb a heterogeneous mixture because it consists of different phases (solid, gas, and glass) that are not uniformly distributed.


How does a light bulb work, and could you provide a diagram to illustrate the process?

A light bulb works by passing electricity through a filament, which heats up and produces light. The filament is enclosed in a glass bulb filled with inert gas to prevent it from burning out. When the electricity flows through the filament, it causes it to glow and emit light. Here is a simple diagram to illustrate the process: Diagram of a light bulb with labeled parts: filament, glass bulb, and inert gas


What are the parts of a light bulb called?

The globe is the outer glass shell. The shaped coil inside is the filament. Wires and the stem support the filament inside the bulb. There are gases within the light bulb to prevent it from burning out. And the base is to securely support the bulb.


What does a light bulb have to do with an electrical light source?

A light bulb is a source of electric light. In an incandescent light bulb, the glass bulb forms a protective shield around a glowing filament. The air inside the glass bulb is removed, or replaced with an inert gas. Electric current is passed through a thin metal filament (usually tungsten), which causes it to glow white hot, giving out light. The protective bulb stops the filament from burning up, as it has no Oxygen.


Why do you need to have the glass on the outside of a light bulb?

The glass envelope, or bulb, of an incandescent light bulb is needed to hold the inert gas, such as argon, that fills the space. The filament of a light bulb is made of tungsten wire. When electricity passes through it the filament becomes extremely hot and emits light. The inert gas surrounding the filament protects it from evaporating too quickly. A light bulb only lasts as long as its filament lasts.


Does a light bulb involve a wedge?

No, a light bulb does not involve a wedge. A light bulb typically consists of a glass bulb with a filament inside that emits light when electricity passes through it.


Who created the glass topper light bulb?

The glass topper light bulb was patented by Thomas Edison in 1879. He developed the first commercially viable incandescent light bulb, which featured a carbon filament housed in a glass bulb with a glass tip to create a vacuum inside.