本题目来源于试卷: gc textbook chapter 17 Electric Potential，类别为 通用国际物理
[问答题]
Is there a point along the line w r9krb ho- 3y.j+ lbbx9bb3 xqgo28z+joining two equal cp du; w*so7og3u17edpositive charges where the electric field is ze 377u epodcg1ud*wos ;ro? Where the electric potential is zero? Explain.
参考答案:
The electric field is zero
at the midpoint of the line segment joining the two equal positive
charges. The electric field due to each
charge is of the same magnitude at that location, because the location is
equidistant from both charges, but the two fields are in the opposite
direction. Thus the net electric field
is zero there. The electric potential is
never zero along that line, except at infinity.
The electric potential due to each charge is positive, and so the total
potential, which is the algebraic sum of the two potentials, is always
positive.
本题详细解析:
暂无
| 
