The filament in a light bulb has a diameter of 0.050 mm and an emissivity of 1.0.The temperature of the filament is 3000°C.What should be the length of the filament so it will radiate 60 W of power? The Stefan-Boltzmann constant is .
A) 11 cm
B) 9.4 cm
C) 8.6 cm
D) 7.2 cm
E) 5.9 cm

Question

The filament in a light bulb has a diameter of 0.050 mm and an emissivity of 1.0.The temperature of the filament is 3000°C.What should be the length of the filament so it will radiate 60 W of power? The Stefan-Boltzmann constant is  .
A) 11 cm 
B) 9.4 cm 
C) 8.6 cm 
D) 7.2 cm 
E) 5.9 cm

Quizplus · Accepted Answer

The Answer of The filament in a light bulb has a diameter of 0.050 mm and an emissivity of 1.0.The temperature of the filament is 3000°C.What should be the length of the filament so it will radiate 60 W of power? The Stefan-Boltzmann constant is  .
A) 11 cm 
B) 9.4 cm 
C) 8.6 cm 
D) 7.2 cm 
E) 5.9 cm

The Filament in a Light Bulb Has a Diameter of 0.050