Physics Unit16: Electric Charge and Electric Field (id: 4a12e183a)

本题目来源于试卷: Physics Unit16: Electric Charge and Electric Field，类别为 通用国际物理

[单选题]
A metal sphere of radius 2.u+pdyl.:lk5w i, wy l*pxr*/d2w uv0phz f*/gz adt/20 cm carries a charge of 3.0 mC. What is the electric f/ 2ta dvgzf2/*p uzh0wield 6.0 cm from the center of the sphere?

A. $4.2 \times 10^{6} \; N/C$
B. $5.7 \times 10^{6} \; N/C$
C. $7.5 \times 10^{6} \; N/C$
D. $9.3 \times 10^{6} \; N/C$


参考答案:  C


本题详细解析: 暂无

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