Question

Filament lamp is a device that give us light energy. what is its main draw back? with which metal is it's filament made?​

Answer 1

Answer:Tungsten, however, has an extremely high melting temperature, making it the perfect metal for light bulb filaments. To keep the tungsten filament from catching on fire at such a high temperature, light bulbs are made with all the oxygen sucked out to create a near vacuum.

Explanation: