問題詳情

54.tTu000bo charges (+q) are located on the x axis as the figure shows. What is die resulting electric field at points on the y axis?


(A)


(B)


(C)


(D)


(E)0

參考答案

答案:C

統計:A:0,B:0,C:2,D:0,E:0

難度:計算中