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WebHe used thin – and thus high-resistance – filaments to achieve the brightness, and delayed burnout by making them from high-melting-point metal sealed in a vacuum. His choice of pricey platinum for the filament … WebNov 11, 2024 · Short life: A typical incandescent light bulb will provide about 750 to 2,000 hours of service. By comparison, a screw-in compact fluorescent bulb will provide 8,000 to 10,000 hours of life, and an LED bulb might last 40,000 to 50,000 hours. 1 Heat: At least 90 percent of the bulb's energy consumption is dissipated as heat. blind school in chandigarh
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