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Question
A spherical capacitor has vacuum between its conducting
shells and a capacitance of 125 pF. The outer shell has inner radius 9.00 cm.
(a) What is the outer radius of the inner shell? If the potential of the
inner shell is 355 V higher than the potential of the outer shell, what are
(b) the capacitor charge and (c) the surface charge densities on the inner
and outer shells?
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