5 Calculate the saturation thermionic current if 120 W is 2

Last updated: 6/9/2023

5 Calculate the saturation thermionic current if 120 W is 2 applied to a thoriated tungsten filament of surface area 1 0 cm Assume that the surface radiates like a blackbody The required constants are 2 K q 2 6 eV k 8 62 10 A 3 10 Am and o 6 108 W m 2K 4 eV K