• 2021-04-14
    中国大学MOOC: 将一带负电的物体M靠近一不带电的导体N,在N的左端感应出正电荷,右端感应出负电荷。若将导体N 的左端接地(如图所示),则(  )http://edu-image.nosdn.127.net/6759F6CF1D0380DFBC75E1064C14D4F0.jpg?imageView&thumbnail=890x0&quality=100http://edu-image.nosdn.127.net/1D98FB211AC81E0C75FAFE1006B6C15A.jpg?imageView&thumbnail=890x0&quality=100