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In an incandescent light bulb this is the filament. It is usually made of tungsten.

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What does the filament of a light bulb do?

The filament of a light bulb is the thin wire that heats up and emits light when an electric current passes through it. This process is known as incandescence, where the filament produces light as it gets heated to high temperatures.


Why does the resistance in a series circuit which includes a light bulb increase when the bulb lights up?

When the current increases as a voltage is applied to the bulb it causes the bulb's special wire filament to get so hot that it glows very brightly. The heating causes changes in the normal electron lattice of the filament, creating more barriers to the flow of the electrons and therefore the resistance of the wire increases as it gets hotter.


Does the resistance of a filament light bulb change as the bulb gets brighter?

Yes, the resistance of a filament light bulb increases as the bulb gets brighter. This is due to the increase in temperature of the filament, which causes the resistance to go up.


What forms of energy are given off by a light bulb?

A light bulb gives off mainly light energy as well as heat energy. When electricity flows through the filament in the bulb, it gets hot and emits light.


What happens to the electrical energy when it passes through a light bulb?

In a traditional light bulb, the electrical energy is converted to heat. The filament gets hot and emits the thermal energy as light. The electrical energy itself is not directly converted to light but goes through the thermal energy stage.There are many kinds of lights and more complicated processes which are not described in this brief answer.

Related Questions

What does the filament of a light bulb do?

The filament of a light bulb is the thin wire that heats up and emits light when an electric current passes through it. This process is known as incandescence, where the filament produces light as it gets heated to high temperatures.


Why does the resistance in a series circuit which includes a light bulb increase when the bulb lights up?

When the current increases as a voltage is applied to the bulb it causes the bulb's special wire filament to get so hot that it glows very brightly. The heating causes changes in the normal electron lattice of the filament, creating more barriers to the flow of the electrons and therefore the resistance of the wire increases as it gets hotter.


What is a filament Is it solved by using electricity terms?

A filament is part of a bulb.I will give you a full sentence. "The filament of a bulb is the part that gets hot and produces light"


Do you leave an iguana's light on at night?

It depends on how cold it gets at night in your home. If it gets below 62 degrees, then use one of the red bulb heat lights for nighttime in a lesser wattage.


Is a light bulb is a kind of lever?

No. A light bulb is a bulb that contains a filament that gets hot when electric current is passed through it.


Does the resistance of a filament light bulb change as the bulb gets brighter?

Yes, the resistance of a filament light bulb increases as the bulb gets brighter. This is due to the increase in temperature of the filament, which causes the resistance to go up.


What part of a light bulb gives off electricity?

The part of an incandescent light bulb that gets hot and produces the light is called the filament.


Is a light bulb a kind of lever?

No. A light bulb is a bulb that contains a filament that gets hot when electric current is passed through it.


Why the filament in a bulb lights up?

because filaments are generally good conductors of heat , so the filament burns first and then gets heated up and then gives light.


How does a change in the size of a current affect the light output of a bulb?

The bulb has resistance which then gets smal


Could an ordinary glass can serve as the glass bulb of a bulb?

Sure. But before you can use it to provide light, you need to find a way to take all the air out of it, and seal it so that no air gets back in. If air gets into a light bulb, the bulb immediately burns out.


Why doesn't a bulb light up when it is fused?

Either the bulb gets blown itself or the tungsten wire melts and opens the circuit, causing the light bulb to fuse.