Question

Ramu is trying to light an LED bulb with a torch cell and insulated copper wire The copper wire is short in length. Ramuted to light the LED bulb with various objects he had with him. The materials used for it are given below. nall paper, wood plece, steel apoon, plastie card, rubber band, tin sheet, carbon rod graphite, copper wire, metal wire, relil, spongem thermocol, glass piece a) Classily the materials with which the bulb glows and with which the bulb doeanot glow Materials used Bulb glows Bulb does not glow Does all materials conduct electricity? Substances that conduct electricity are called conductors and those which do not conduct electricity are called insulators. Those which help the bulb to glow are conductors and those doesn't are insulators. b) Catagorise the above given materiale into those which conduet electiriety and those which doesn't conduct electricity. Give suitable heading and write them down,​

Answer 1

Explanation:

Filaments in incandescent light bulbs are made of tungsten. Whenever an electric current goes through the filament, the filament glow.