Nuriddinov Davron Initially, the resistance of the electric current inside the tube was in the form of a «charcoal wire», which was illuminated



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Nuriddinov Davron

Initially, the resistance of the electric current inside the tube was in the form of a «charcoal wire», which was illuminated

  • Initially, the resistance of the electric current inside the tube was in the form of a «charcoal wire», which was illuminated

Very weak … the appearance of electric lighting, which improved in the late nineteenth and early twentieth centuries

  • Very weak … the appearance of electric lighting, which improved in the late nineteenth and early twentieth centuries
  • The first «sparks» of this invention date back to the 1840s. Studied in Paris and studied in London

Runs a manufacturing plant.

  • Runs a manufacturing plant.
  • Warren De La Rue in 1840 connected a wire inside a vacuum tube to light it due to its electrical resistance.
  • Experiment with It was this experience of his later electricity
  • Led to the invention of the light bulb.

This experiment was later carried out by the German watchmaker Heinrich Gebel (1818–1893).

This experiment was later carried out by the German watchmaker Heinrich Gebel (1818–1893).

The entrepreneur, who was an inventor in the field of

In 1878, the English scientist Joseph Swan (1828–1914) invented the first light bulb in the form of a glass tube.

Created. Inside the tube, a resistive device in the form of a «charcoal wire» is illuminated

Was very weak. Early and modern lighting samples

In 1879, the inventor Thomas Edison (1847–1931) also used the farm we now use.

Invented a light bulb that was closer to the object

But Swan's experiments are the basis of his invention

But Swan's experiments are the basis of his invention

And Thomas perfected it.

As a result, it was the first time since 1880 that light bulbs cost $ 2.5 each

As a result, it was the first time since 1880 that light bulbs cost $ 2.5 each

Began to produce and sell to the public.

Some time later, Joseph Swan and Thomas Edison shared their money and knowledge

Some time later, Joseph Swan and Thomas Edison shared their money and knowledge

And Edison and Swan United Electric Light Company

The foundation was laid.

Warren De La Rue (1815–1889), a Norman scientist who worked on the observatory, first on the observatory, then on paper.

  • Warren De La Rue (1815–1889), a Norman scientist who worked on the observatory, first on the observatory, then on paper.

1, Emerson - yaratish

  • 1, Emerson - yaratish
  • 2, Change the world- Dunyoni ozgartish3,Phone-Telefon
  • 4,Research-izlanish
  • 5,. Invention-Ixtiro
  • 6,The first plane – birinchi samalyot
  • 7,usage – foydalanish
  • 8,New ness- Yangi narsa
  • 9,Wide- keng
  • 10, Discoveriy –Kashfiyot,

Questions:

  • Questions:
  • 1,Who made the first light bulb?
  • 2,What is the nature of the light bulb?
  • 3,The development of the light bulb?
  • 4,About the history of the bulb?
  • 5,What is the chemical inside the bulb called?

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