Answer :


The outer portion is insulator like the headlight, handheld. The battery end portions & switch assembly are conductors.

Plastic case are insulators whereas battery , switch contact will be conductors  

Bulb consist of  glass which is  an insulator whereas filament ,  connecting wire and metallic base are conductors.

What are insulators and conductors ?

Insulator : Material which do not have free electrons , and which do not conduct electricity because of   high resistance .

Conductors : Material which can easily conduct electricity because of free electrons and have low resistance

A torch consists of bulb , battery , switch contact , switch , plastic case .Out of which switch , plastic case are insulators whereas battery , switch contact will be conductors  .

in case of bulb : a torch bulb consist of  glass which is  an insulator whereas filament , connecting wire and metallic base are conductors.

learn more about insulators and conductors :

https://brainly.com/question/20102785?referrer=searchResults

#SPJ2