問題詳情
52.tConsider a parallel-plate capacitor. Each plate has area A. One plate carries a uniform surface charge density σ and the other carries a uniform surface charge density -σ. Each plate of a parallel-plate capacitor exerts a force Fon the other. Calculate the force.
(A)
(B)
(C)
(D)
(E)
參考答案
答案：D
統計：A:0,B:0,C:0,D:1,E:0
難度：計算中