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Inert gas, such as argon or krypton, is used in light bulbs to fill the space around the filament. This helps prevent the filament from oxidizing and burning out quickly. Inert gas also helps to reduce heat loss, allowing the filament to operate at a higher temperature, which in turn produces brighter light.

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1y ago

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Why do you need an inert gas in a light bulb?

An inert gas, like argon or nitrogen, is used in light bulbs to prevent the filament from reacting with oxygen and burning out quickly. By filling the bulb with an inert gas, the filament lasts longer and the bulb operates more efficiently.


Why is argon use in a light bulb?

Argon is used in a light bulb because it is an inert gas that helps prevent the evaporation of the tungsten filament. By creating an inert environment, argon helps increase the lifespan and efficiency of the light bulb.


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


Why is a light bulb sealed?

A light bulb is sealed to prevent air from entering the bulb, which can cause the filament to burn out quickly. The vacuum or inert gas inside the bulb helps to preserve the longevity of the filament and ensures consistent lighting performance.


What is the hot filament protected by?

The hot filament in an incandescent light bulb is protected by a glass bulb filled with an inert gas, such as argon or nitrogen. This gas prevents the filament from reacting with oxygen in the air, allowing it to glow and produce light.