問題詳情

40. Points R and T are each a distance d from each of two particles with equal positive charges asshown. If ke =

, the work required to move a particle with charge q from R to T is:
  


(A)0
(B) keQq/d2
(C)keQq/d
(D)


(E) keQq/(2d).

參考答案

答案：A
難度：計算中-1
書單：沒有書單，新增