how can tourch filament fail
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When current passes through it the filament of this coil of tungsten is made up of copper. Hence when a Torchlight fails the actual reason is the reaction of tungsten and copper which makes the copper wire to wear off after reaction and fall off. Since the contact brakes fails to work the torchlight lights up.
Answered by
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Explanation:
When current passes through it the filament of this coil of tungsten is made up of copper. Hence when a Torchlight fails the actual reason is the reaction of tungsten and copper which makes the copper wire to wear off after reaction and fall off. Since the contact brakes fails to work the torchlight lights up.
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