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What makes a light bulb light up?

Updated: 5/23/2024
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13y ago

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When an incandescent light bulb (the normal round ones that Thomas Edison invented) is placed into a "hot" circuit, (meaning there is electricity flowing through it), the electricity passes through the filament (little metal wires) on the inside. As the electricity passes through it, the wires heat up and make a chemical reaction causing light to be emitted.

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13y ago
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2mo ago

A light bulb lights up when electricity flows through the filament, causing it to heat up and emit light. This process is known as incandescence.

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13y ago

A flow of electric current going through the wire.

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Q: What makes a light bulb light up?
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What kind of energy makes the light bulb light up?

Electricity is the energy source that powers a light bulb and makes it light up. When electricity flows through the filament in a light bulb, it generates heat and light, resulting in illumination.


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What type of energy makes a light bulb glow?

An electric light bulb converts electrical energy into thermal energy which is in the form of radiated light and heat. For example, the " easy bake oven" uses a light bulb to cook the food.


What simple machines make up the base of a light bulb?

The simple machine that makes up the base of a light-bulb is just a screw. That screw allows you to insert the light-bulb into the base of a lamp. You must make sure to get the grooves of the screw lined up to properly tighten the bulb into place.


What are the positives of a light bulb?

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What material makes the bulb light up?

The bulb lights up when electricity passes through a filament inside it, usually made of tungsten. As the current flows through the filament, it heats up and emits light. Some bulbs use other materials like halogen or LED technology to produce light.


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