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Why tungsten is used for making filament of electric lamps |
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Answer» Bcoz it have very high melting point (3380℃) and when it glows white hot it\'s temperature is (2500℃) which is less than its melting point and also it have high resistance.?? Due it\'s high resistivity and melting point.... so easy High resistance,,, glow on heating,, high melting point.. |
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