Question: Q 2 . ( 3 0 points ) The filament of a light bulb is a rectangle of size 5 m m 2 m m

Q2.(30 points) The filament of a light bulb is a rectangle of size 5mm2mm and consumes 60 W . The filament is at 2800 K . Determine the efficiency of the bulb assuming visible radiation in the band 0.4 to 0.7 micrometer.
Q 2 . ( 3 0 points ) The filament of a light bulb

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