In one experiment the electric field is measured for points at distances r from a uniform line of charge that has charge per uni
t length λ and length l, where l≫r. In a second experiment the electric field is:
1 answer:
You might be interested in
Answer:
a. W
Explanation:
= temperature of the surface of sun = 5800 K
= Radius of the Sun = 7 x 10⁸ m
= Surface area of the Sun
Surface area of the sun is given as
= Emissivity = 1
= Stefan's constant = 5.67 x 10⁻⁸ Wm⁻²K⁻⁴
Using Stefan's law, Power output of the sun is given as