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Improving the Efficiency of Tungsten Filament Light Bulbs
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Tantalum-filament lamp, a sample of the element Tantalum in the Periodic Table
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G45 LED Globe Light Bulb 4W B22 Soft Filament Light Bulb G14/G45 Vintage Bayonet Lamp Household Light Bulb for Ceiling Fan, Chandelier, 2700K Warm White, Not Dimmable, AC110V, Clear Glass, Pack of
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NCERT Q18 (a) - Why is tungsten used almost exclusively for filament
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LED Filament Lamps: How Vintage Style LED Edison Bulbs Work
