Question

C. Tick the correct option.
1.
The thin metal wire inside a electric bulb, is known as-
insulation
terminal
filament
fiber​

Answer 1

Explanation:

filament im sure. have a nice day.

Answer 2

Answer:

Filament

Explanation:

Incandescent light bulbs consist of an air-tight glass enclosure (the envelope, or bulb) with a filament of tungsten wire inside the bulb, through which an electric current is passed.