指出下面四个图中电场线(或等势面)画法有哪些错误. |
A.电场线相互平行,但分布不均匀,_______________________ ______________________________________________________; |
B.M为放置在匀强电场E中的金属板_______________________ ______________________________________________________. |
C.B为静电平衡时的感应导体_____________________________ ______________________________________________________. |
D.虚线所示为电势差相等的几个等势面,且________ |