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A charged conducting sphere with capacitance, C = 26.7 pF, produces an electric field that points radially outward.
At a distance, d = 61.2 cm, from the center of the sphere, the strength of the electric field is E = 71.3 kV/m.
(a) What is the radius of the charged sphere?
R =
m
(b) Find the sphere's surface charge density.
μC/m²
J =

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