论文部分内容阅读
这道题目应当更换张翠芬赵剡（河北沙河市二十冶高中，０５４１００）高中《物理》第三册（选修）在１９５页给出了这样一图６－２８道练习题：（６）某电场的等势面如图６－２８所示，试粗略地画出电场线的大致分布．教学参考书中所给答案如下：答：由电场线跟等势面垂直...
This topic should be replaced by Zhang Cuifen Zhao Wei (20 Middle School, Shahe City, Hebei Province, 054100). The third volume of Physical Education in High School (elective) is given on page 195 as a figure 6-28 practice: (6) An electric field The equipotential surface is shown in Figure 6-28. Try roughly to draw the approximate distribution of the electric field lines. The answers given in the teaching reference book are as follows: A: The electric field lines are perpendicular to the equipotential surface...