Light Bulb and Electric Fan Machine

This documentary series in Urdu is produced by Such TV. A TV channel in Pakistan in the Urdu language. In this program, you will watch how many many inventions were invented by many famous and intelligent scientists in the world.

Light Bulb and Electric Fan Machine

An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a wire filament heated until it glows. The filament is enclosed in a bulb to protect the filament from oxidation. Current is supplied to the filament by terminals or wires embedded in the glass.

In 1882, Philip Diehl developed the world’s first electric ceiling fan.

Light Bulb and Electric Fan Machine

These are critical machines and responsible for operating the entire plant, which may shut down without the proper fan. In mine and tunnel, it also used as safety equipment.

Early people used candles and oil lamps for light. Crude incandescent lights were made in the early and middle 19th century but had little use. Improved vacuum pumps and better materials made them shine longer and brighter late in the century. Electric power stations brought electricity to urban and later rural areas to power them. Later gas discharge lights, including fluorescent lights, use less electricity to make more light.