問題詳情

57. What is the electric flux through a surface in between twoparallel planes shown in the figure ifw = 2 cm, l = 5 cm, E = 500 N/C and θ = 30°?


(A) 0.52 N⋅m2/C
(B) 0.26 N⋅m2/C
(C) 0.81 N⋅m2/C
(D) 0.43 N⋅m2/C
(E) 0.36 N⋅m2/C

參考答案

答案：D
難度：計算中-1
書單：沒有書單，新增

用户評論

【面試倒楣鬼-22幸運上後西】評論

= A*E*cos30 = 0.02*0......★★★★★★...