Physics Unit17: Electric Potential (id: ee9c43424)

本题目来源于试卷: Physics Unit17: Electric Potential，类别为 通用国际物理

[单选题]
A 5.0-nC charge is at (0, 0) and a -2.0-n -f6pyo1l2sh( l9 ojs90v azcqhr67 bzc x5y8 +hefetg( wf 7ksw7tc;0C charge is at (3.0 m, 0). If the potential is taken to be w wst0e7efk(gf8t;xch 5+c7yzero at infinity, what is the work required to bring a 1.0-nC charge from infinity to point (0, 4.0 m)?

A. $1.5\times {10}^{-8}J$
B. $3.6\times {10}^{-9}J$
C. $1.1\times {10}^{-8}J$
D. $7.7\times {10}^{-9}J$


参考答案:  D


本题详细解析: 暂无

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