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Why the filament of bulb has high melting point

Posted by Pooja Kumari ?????? 6 years ago

CBSE > Class 10 > Science

2 answers

Pooja Kumari ?????? 6 years ago

The bulbs are usually filled with chemically inactive nitrogen and argon gases to prolong the life of filament.most of the Power consumed by the filament appears as heat, but a small part of it is in the form of light radiated

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Yogita Ingle 6 years ago

A filament is made up of a substance having a high melting point because a bulb lights up heating the filament. The heated filament is the source of light and if the melting point of filament's substance is low, it may melt.

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