2016 Shanghai Question 28 Free-response Differentiating 2016_上海 Paper 28.(7分)“用 DIS描绘电场的等势线”的实验装置示意图如图所示。(1)(单选题)该实验描绘的是 A. 两个等量同种电荷周围的等势线B. 两个等量异种电荷周围的等势线C. 两个不等量同种电荷周围的等势线D. 两个不等量异种电荷周围的等势线 Answer keyB ☆ SaveCan't do it, show the explanation查看原卷 →