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 通用国际物理

[单选题]
A metal sphere of ra pqt:5qs .jh1e(y9c*-q1z(y4 w nhx smae qne;dius 10 cm carries a charge of +2.0 mC. What is the magnitude of the electric field 5.0 cm from 4sxnqh(eeq(nz;*9a mw -1ycy 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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