Fields D.2 Electromagnetic Fields & Potential (id: c61bd8aae)

本题目来源于试卷: Fields D.2 Electromagnetic Fields & Potential，类别为 IB物理学

[单选题]
Four fixed charged point partl z.qa.1u q ncx yz0qp;hm4b42icles are wr9hu7 u3jhtqu1 l7 *xat the vertices of a rectangle. Which arrow 3hxhuj91 rwqtul7 7u* represents the net electric field at the center of the rectangle?

A.
B.
C.
D.


参考答案:  D


本题详细解析:

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