martes, 11 de junio de 2013

Electriciy: How a lamp work?



Who invented the lamps?
The first invented of light bulbs is Thomas Edison
Information abour lamps
The electric light bulb uses a glowing wire filament heated by electrical resistance to white heat to generate light (a process known as thermal radiation). The 'bulb' is the glass enclosure which keeps the filament in a vacumm or low-pressure noble gas (or halogen gas in the case of quartz-halogen lamps)


No hay comentarios:

Publicar un comentario