本题目来源于试卷: Electrostatic Force and Electric Field，类别为 美国物理杯赛(Physics Bowl)
[单选题]
14.10: Two charges −Q a bf 23i5bct;k(fh3p ynn rll 4wu9vdj1 2vo23ln fn 2,ejd +Q, are fixed in place on the x-axis, each a distance a from the origin as shown. At the point labeled P, a distance along they-axis from the origin, what is the direction of the electric field from o2u2v9jnn,dl f1j l lwevr234 the given charges?
A. Up the plane of the page
B. Down the plane of the page
C. To the right
D. To the left
E. There is no electric field.
参考答案: D
本题详细解析:
暂无
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