阿摩線上測驗
56. A conducting sphere is charged up such that the potential on its surface is 100 V (relative to
infinity). If the sphere's radius were twice as large, but the charge on the sphere were the same, what
would be the potential on the surface relative to infinity?
(A) 25 V
(B) 50 V
(C) 100V
(D) 200 V
(E) 400 V
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統計： A(0), B(18), C(0), D(0), E(0) #3081296
統計： A(0), B(18), C(0), D(0), E(0) #3081296
