Physics Unit16: Electric Charge and Electric Field (id: 4753e699e)

本题目来源于试卷: Physics Unit16: Electric Charge and Electric Field，类别为 国际高中通用物理

[单选题]
A metal sphere of radius 10 cm carries a charge of +2.0 mC. fr lz07sp8mh9)ot bg* Wqpp p qpf q),x,wk9x50hat is the magnitude of the x,q,9pw5 ppxf)p 0kqqelectric field 5.0 cm from the sphere's surface?

A. $4.0 \times 10^{5} \; N/C$
B. $8.0 \times 10^{5} \; N/C$
C. $4.0 \times 10^{7} \; N/C$
D. $8.0 \times 10^{7} \; N/C$


参考答案:  B


本题详细解析: 暂无

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