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A light bulb works by passing electricity through a filament, which heats up and produces light. The filament is usually made of tungsten, which has a high melting point and can withstand the heat. The electricity flows through the filament, causing it to glow and emit light. The bulb is filled with an inert gas, such as argon, to prevent the filament from burning up. The combination of the heated filament and the gas inside the bulb produces the light that we see.
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How does a light bulb lighting up work?
When electricity flows through the filament inside a light bulb, it heats up and produces light. This process is called incandescence.
Does Thomas Edisons light bulb still work?
No, the first light bulb that Thomas Edison invented is not still operational. Over time, light bulbs burn out and lose their ability to produce light due to the filament burning out. However, Edison's invention laid the foundation for modern lighting technology.
How does an incandescent light bulb work to produce light?
An incandescent light bulb produces light by passing electricity through a filament, which heats up and emits light as a result of its high temperature.
Was the light bulb invented in ohio?
No, the light bulb was not invented in Ohio. While Thomas Edison, who is often credited with the invention of the practical incandescent light bulb, did conduct significant work in Menlo Park, New Jersey, he was born in Ohio. Edison's improvements to the light bulb and the development of electric lighting systems were pivotal, but the concept of electric light existed before his work.
Why is the light bulb a great invention?
The light bulb revolutionized indoor lighting by providing a convenient and reliable source of light that was safer and more efficient than previous options like candles or oil lamps. It allowed people to work and live comfortably at any hour, leading to increased productivity and quality of life.
What invented invented the light balb?
Thomas Edison is credited with inventing the light bulb in 1879. He developed a practical and commercially viable incandescent light bulb that revolutionized the way we light our homes and buildings. Edison's pioneering work in electric lighting laid the foundation for the modern lighting industry.
How is a toaster and a light bulb alike?
Both a toaster and a light bulb use electricity as a power source. They both have heating elements that produce heat when activated, although a toaster uses this heat to cook food while a light bulb uses it to produce light.
Power ratings on a light bulb are?
indicated in watts and represent the amount of energy the bulb consumes. A higher wattage bulb will produce more light, but also consume more electricity. It's important to choose the right wattage for your lighting needs to balance brightness and energy efficiency.
Why did people think the light bulb was not going to work?
People initially thought the light bulb wouldn't work because they believed the wire filaments would burn out quickly, the vacuum inside the bulb would not be maintained, and that electricity would be too expensive to produce light.
Will a 12 volt auto light-bulb work on 12 volt AC?
Yes, a 12 volt auto light bulb can work on 12 volt AC, but the light output might be slightly lower compared to when using DC. The bulb will still produce light, but it may flicker due to the alternating current.
What did Einstein do 100 times to get it to work?
To build the light bulb.
how did humphry make the light bulb?
Thomas Edison, not Humphry, is credited with inventing the first commercially practical incandescent light bulb. Edison's light bulb design involved a tungsten filament encased in a vacuum-sealed glass bulb, which could produce light continuously for extended periods. Edison's work on the light bulb was a result of years of experimentation and improvement on previous designs.
