Calculate the electrical energy consumed per second in an electric bulb with tungsten filament of area 0.35 cm^2when its temperature is raised to 2000 K, by passing an electric current through it. The emissivity of filament is 0.45. Stefan's constant, sigma = 5.67 xx 10^5 erg s^(-1) cm^(-2) K^(-4)

Calculate the electrical energy consumed per second in an electric bul

1.	Calculate the electrical energy consumed per second in an electric bulb with tungsten filament of area 0.35 cm^2when its temperature is raised to 2000 K, by passing an electric current through it. The emissivity of filament is 0.45. Stefan's constant, sigma = 5.67 xx 10^5 erg s^(-1) cm^(-2) K^(-4)
Answer» SOLUTION :`4.082 XX 10^5 W//m^2`