Question

Who invented Bulb and how it works​

Answer 1

Answer:

Thomas Edison invented the bulb

In an incandescent type of bulb, an electric current is passed through a thin metal filament, heating the filament until it glows and produces light. After the electricity has made its way through the tungsten filament, it goes down another wire and out of the bulb via the metal portion at the side of the socket.

Step-by-step explanation:

Answer 2

Answer:

In 1802, Humphry Davy invented the first electric light. He experimented with electricity and invented an electric battery. When he connected wires to his battery and a piece of carbon, the carbon glowed, producing light.