問題詳情
47. An ideal parallel-plate capacitor connected to a battery of voltage V0, it has charge of magnitudeQ0 on its plates. The plates are pulled apart to a separation from d to 2d while the capacitor remainsconnected to the battery. After the plates are 2d apart, what are the magnitude of the charge onthe plates and the potential difference between them?
(A) 0.5Q0, 0.5V0
(B) 0.5Q0, V0
(C) Q0, V0
(D) 2Q0, V0
(E) 2Q0, 2V0
參考答案
答案：B
難度：計算中-1
書單：沒有書單，新增