विद्युत लैंपो के तंतु के निर्माण में प्राय एकमात्र टंगस्टन का ही उपयोग क्यों किया जाता है
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Answer:
kyuki
Explanation:
tangestan ka tapman bhut jayada hota hai
yeh 2400K prakash ka utsarjan karta hai
iski tar patali hoti hai jo jayada pratirodh utpann marti hai jiske karad yeh chamakta hai
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