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The filament of a household bulb is typically made from tungsten. Tungsten is chosen for its high melting point and ability to withstand high temperatures without melting, allowing it to produce light effectively when electric current passes through it. In some energy-efficient bulbs, such as CFLs or LEDs, different technologies are used, but traditional incandescent bulbs primarily rely on tungsten filaments.
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What was Thomas Edison's challenges when inventing the light bulb?
Thomas Edison faced challenges such as finding the right material for the filament that could withstand high temperatures without burning out quickly, creating a vacuum inside the bulb to prevent the filament from oxidizing, and designing an efficient electrical distribution system to make the light bulb practical for widespread use.
Can you use a copper wire to make a filament of an electric bulb?
No, copper wire cannot be used to make the filament of an electric bulb as copper wire has very low resistance. Therefore, the bulb will not glow if current is passed. It would also melt - the filament has to be white-hot to be any use!
What make a light bulb glow?
A light bulb glows when an electric current passes through the filament inside, which heats up due to resistance and emits light. The filament is usually made of tungsten, a material that can withstand high temperatures without melting.
Why does a magnet make the filament move in a light bulb?
When a magnet is brought near a light bulb, the magnetic field interacts with the electric current flowing through the filament, causing a force to be exerted on the filament. This force can make the filament move or vibrate, resulting in changes in the brightness or flickering of the light bulb.
You are using a bulb whose filament is broken will the bulb glow when connected to battery give reason?
No, the bulb will not glow when connected to a battery if the filament is broken. The filament is the part of the bulb that heats up and produces light when electricity passes through it. If the filament is broken, there is no path for the electricity to flow through and generate light.
Is resistance in the filament of a lamp essential or not?
Yes, the resistance of the filament of a light bulb is what generates enough heat to make the filament glow and produce light.
What year did Louis Lattimer make the filament for the light bulb?
2008
Can you use copper wire to make the filament of bulb?
yes you caan
What type of filament will make the light bulb turn on for a longer period of time?
The filament is nothing to do with the light turning on, that is controlled by the switch.
Do you use hair to make a light bulb?
No, hair is not used to make a light bulb. Light bulbs are typically made of glass or other transparent materials, with a filament made of tungsten or other metals that produce light when heated. Hair is not a suitable material for this purpose.
What material is used to make the filament in most halogens lights?
tungsten
What three objects make a light bulb glow?
A light bulb requires a power source (electricity), a filament (usually made of tungsten) within the bulb, and a vacuum or inert gas environment in the bulb to prevent oxidation of the filament. When electricity flows through the filament, it heats up and emits light, causing the bulb to glow.
