問題詳情

34. A 16-nC charge is distributed uniformly along the x axis from x = 0 to x = 4 m. Which of thefollowing integrals is correct for the magnitude (in N/C) of the electric field at x = +10 m on the xaxis? 
(A)


(B)


(C)


(D)

參考答案

答案：A
難度：計算中-1
書單：沒有書單，新增