Electronic devices in steem4bloggers by@goharijaz

BULB

https://www.pexels.com/photo/close-up-photo-of-lit-light-bulb-2112645/

we have to discuss about the bulb.
What is bulb?
when the bulb was invented?
how its work?
BULB
Bulb is an electronic device which convert electricity into light.
shape of bulb
round glass container with a thin thread of metal inside that produces light.

INVENTED DATE
Bulb was invented in 1879.
and patented on January 27, 1880
scientist name
Thomas Alva Edison.

HOW ITS WORK
Bulb is an electronic device. Which is work on electricity.

Essentially, the lightbulb is a very thin filament of hard-to-melt metal – tungsten, usually – encased in a glass bulb filled with inert gases so that the filament doesn’t oxidise and disintegrate. The electricity causes the wire to glow and a portion of that energy is turned into light.
https://www.bbc.com/future/article/20131101-how-does-a-lightbulb-work#:~:text=Essentially%2C%20the%20lightbulb%20is%20a,energy%20is%20turned%20into%20light.

HOW ITS WORK ON PAST
before the invention of bulb. The people used a lamps.lamps are the source of light in 1800 century.the oil was given to the lamps and he fier and start glowing.thats the method used by the peoples before the light bulb was invented. After the bulb was invented everybody has a proper source of light and everybody want to purchased it. And know it is used in every homes.offices.everwhere.one day my grandfather tell me a story of bulb.that nobody in the my city has a bulb. One day i will bought a bulb and put it and when he start work the whole family are look so happy about that

THANKS ALL. OF YOU