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Question
(a) A sphere has a surface uniformly charged with 1.00 C. At what distance from its center is the potential 5.00 MV? (b) What does your answer imply about the practical aspect of isolating such a large charge?
1. $1.80\textrm{ km}$
2. 1.00 C is actually a very large charge. It would be impractical to build a sphere with radius 1.80 km.
Solution Video