Inventions

How Do Light Bulbs Work?

how does the light bulb works
Photo by Alexandru Goman on Unsplash

A light bulb is a device that emits light from a thin filament inside a glass or metallic, evacuated lamp. The illumination consists of some combination of visible and invisible components, which may be used to produce white light. Most bulbs use a metal filament that heats up due to electric current passing through it. The heat causes the filament to emit light as it cools down, releasing energy in the form of photons. Learn how the different types of light bulbs work and their advantages and disadvantages.

how do smart light bulbs work
Photo by Alessandro Bianchi on Unsplash

What Is The Difference Between Fluorescent, Incandescent, And Led Bulbs?

The three main types of light bulbs vary in how they produce light, but all work by heating a filament, or “Wire”, to a temperature where it emits light.

how light bulb works
Photo by Christian Dubovan on Unsplash

Fluorescent bulbs contain a low-pressure mercury vapor that is excited by electricity, which then produces ultraviolet light. This UV light then reacts with a phosphor coating on the inside of the bulb to produce visible light.

how do led light bulbs work
Photo by hey porter ! on Unsplash

In contrast, incandescent bulbs commonly found in traditional light bulbs consist of a high-pressure vapor of tungsten metal. The heat from the filaments excites the electrons within the metal, causing them to release photons.

how do incandescent light bulbs work
Photo by Federica Giusti on Unsplash

Finally, LED bulbs contain a solid piece of semiconductor that emits light when a current passes through it. LED bulbs are typically more expensive than other types of bulbs, but they last much longer and have a higher efficiency rating.

what light bulbs work with alexa
Photo by Federico Bottos on Unsplash

How Do Fluorescent Bulbs Work?

Fluorescent lamps emit a light that is a unique color, usually a shade of white. In the United States, this type of lamp is usually called a fluorescent lamp or a fluorescent tube. The gas used in these lamps is typically mercury vapor, xenon, or a combination of those two gases.

what light bulbs work with google home
Photo by Jordan Graff on Unsplash

These lamps work by passing electricity through them. The electricity causes the gas inside the lamp to release ultraviolet light, which then causes the gas to emit visible light.

how do dimmable light bulbs work
Photo by Adam Kring on Unsplash

This bulb type is efficient and can last up to 10 times as long as an incandescent light bulb. It also produces a better quality of light, and it’s more environmentally friendly. Fluorescent lamps are typically more expensive than incandescent bulbs, but the benefits they provide make them worth it in the long run.

how do motion sensor light bulbs work
Photo by MJH Shikder on Unsplash

Fluorescent lamps are excellent for offices, supermarkets, hospitals, etc., because they provide better lighting in large rooms. This type of lamp does not produce enough heat to warm up the surroundings, so air conditioning will not have to work as hard when used. LED light bulbs are another type of light bulb that is environmentally friendly and energy-efficient.

how do dusk to dawn light bulbs work
Photo by Jon Tyson on Unsplash

Fluorescent lights or lamps work with an electric arc. This electric arc starts when the current is passed through the gas inside the tube. The fluorescent gas inside the tube will then give off its light, making the lamp appear to glow. A fluorescent bulb has a coating of phosphor on the inside that emits different colors when it’s excited by the electric arc.

how do 3 way light bulbs work
Photo by Anouthinh Pangthong on Unsplash

The downside to fluorescent lights is that they require a ballast to regulate the voltage and frequency of power, making them more expensive than other bulbs.

how does rechargeable light bulbs work
Photo by Tyler Casey on Unsplash

How Do Incandescent Bulbs Work?

An incandescent light bulb is typically made of a tungsten filament that is heated by an electric current. When the tungsten filament is heated, it glows. The heat causes it to emit light as it cools down, releasing energy in the form of photons.

how do rechargeable light bulbs work
Photo by Yuichi Kageyama on Unsplash

The downside of an incandescent bulb is that it does not produce much light for its size. It also produces a lot of heat which means it will not last for a long time.

how do wifi light bulbs work
Photo by Colby Sandells on Unsplash

How Do LED Bulbs Work?

LED light bulbs are the newest type of bulbs on the market, and they are quickly becoming the most popular. LEDs are very durable, use 90% less energy than incandescent bulbs, and last up to 10 times longer. LED light bulbs are also very efficient in their energy consumption, emitting light with high intensity while using less power. And because LED light bulbs last so long, they are considered to be an environmentally-friendly choice.

how to use dimmable light bulbs
Photo by Ýlona María Rybka on Unsplash

LEDs are also cool to the touch because they run much cooler than other types of bulbs. This makes them ideal for use in homes with children or pets or any other space that might be at risk for overheating. And due to their high intensity, LED light bulbs can be used in place of halogen bulbs to provide a similar intensity.

whats a 3 way bulb
Photo by Andy HYD on Unsplash

Which One Is The Best?

LEDs are more energy-efficient. And while incandescent bulbs are cheaper, they are less environmentally friendly. Fluorescent bulbs are more environmentally friendly, but they can’t provide the same level of illumination.

can any light bulb be dimmable
Photo by Jasper Garratt on Unsplash

There are many different varieties of light bulbs. Each type has its own advantages and disadvantages. As always, it’s important to do your research to find the best light bulb for you.

how do halogen light bulbs work
Photo by Ahmed XD on Unsplash

If you enjoy reading stories like these, then subscribe and follow for more. You can also explore other creators on Medium but consider signing up to become a Medium member to read unlimited stories. If you sign up using my link, I’ll earn a small commission.

--

--

--

Inventor and Active knowledge seeker

Love podcasts or audiobooks? Learn on the go with our new app.

Recommended from Medium

How Do You Bust a Time Traveler?

Hooked on Synthetics

How we made sutures WiSe

#WCWinSTEM: Brittany Kamai, Ph.D.

Microbial Fuel Cells

Artificial Sun : The future of energy

What the Stars Have to Teach Us About Communication

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store
Victor Rivera

Victor Rivera

Inventor and Active knowledge seeker

More from Medium

Is everyone making the same car??

What will it take for the metaverse to be widely adopted?

Too Hot Too Handle Season 3: Cast, Release Dates And Much More