Question
An isolated charged conducting sphere has a radius R = 11.0 cm. At a distance of...
An isolated charged conducting sphere has a radius R = 11.0 cm. At a distance of r = 25.0 cm from the center of the sphere the electric field due to the sphere has a magnitude of E = 4.90 ✕ 104 N/C.
(a) What is its surface charge density (in µC/m2)?
___ µC/m2
(b)
What is its capacitance (in pF)?
____ pF
(c) What If? A larger sphere of radius 23.0 cm is now added so as to be concentric with the first sphere. What is the capacitance (in pF) of the two-sphere system?
____ pF
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