Question

state the function of the metal strip used in a torch

Answer 1

Hey Mate Here Is Ur AnsweR :-
The metallic Strip fulfils the Pathway of closing or opening of the circuit of the Torch .
Whenever it is pushed forward it comes in contact with the metal collar at the base of the reflector and hence complete The circuit.

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Answer 2

Answer:

The metallic strips complete the pathway of closing or opening the circuit of the torch. When it is pushed forward it comes in contact with the metal collar at the base of the reflector thereby completing the circuit for the transfer of electricity to the bulb. The metallic strips also act as a conductor.