An electric current through a tungsten filament maintains its temperature at 2800 K.Assume the tungsten filament behaves as an ideal radiator at that temperature.If the radiating area of the filament is 2.0 × 10^-6 m²,at what rate does it radiate energy? ,Wien displacement law constant is 2.90 × 10^-3 m • K) A) 5.5 W B) 7.0 W C) 8.5 W D) 10 W E) 11.5 W

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The Answer of An electric current through a tungsten filament maintains its temperature at 2800 K.Assume the tungsten filament behaves as an ideal radiator at that temperature.If the radiating area of the filament is 2.0 × 10^-6 m²,at what rate does it radiate energy? ,Wien displacement law constant is 2.90 × 10^-3 m • K) A) 5.5 W B) 7.0 W C) 8.5 W D) 10 W E) 11.5 W

An Electric Current Through a Tungsten Filament Maintains Its Temperature