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 10 cm carries a c*/j9qg+o hug/i17 hcha a(h ldzy24 tch ndizn6e g-cbv9k0:ek(.zsu 5arge of +2.0 mC. What is the magnitude of the electd5kec -g b.iznu:6zs nke9(v0ric 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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