Question

Explain the construction of an electric bulb.

Answer 1

1. Tungsten Filament is the main element of the bulb.
2. The filament is further connected to lead wires and to support wires which are made of molybdenum.
3. The bulb doesn't contain any air and the outer surface is made of glass.
4. There is $85\%$ Argon and $15\%$ Nitrogen are present inside a bulb.
5. Argon is used to protect the filament from oxidizing.