Question

By Which Way The Torch of the bulb filament 2.4 volt fails or diffuse or burns​

Answer 1

Answer:

It fails 2.4 volts torch bulb filament fails when torch focus put  on copper metal then torch filament fails by chemical reaction .

Explanation:

chemicals apply on copper metal it pulls or grain rice.why because rice are  carbo-hydrates {hydrogen carbon} so.In chemical reaction defenetly rice pulls when rice pulls they change to black.