Question

Figure shows a bulb with its different parts marked as 1, 2, 3, 4 and 5. Label these parts and specify their function.

Answer 1

The parts of the bulb are:
1 - Filament: A metal wire that glows when an electric current is passed through it.
2 - Glass covering: It insulates the bulb and holds the supporting wire.
3 & 4 - Terminals: The ends of the bulb which are connected to the power source.
5 - Base wire: It supports the filament.