The filament of a 60 watt electric light bulb of diameter 0.06 mm runs at a temperature of 3000K. Assuming that it radiates as a black bodyy, loses no energy except as radiation and receives no energy except that supplied electrically, find the length of the filament

The filament of a 60 watt electric light bulb of diameter 0.06 mm runs

1.	The filament of a 60 watt electric light bulb of diameter 0.06 mm runs at a temperature of 3000K. Assuming that it radiates as a black bodyy, loses no energy except as radiation and receives no energy except that supplied electrically, find the length of the filament
Answer» 70 MM 60 mm 10 CM 80 mm Answer :A