Physics Unit18: Electric Currents (id: ef4cf73ad)

本题目来源于试卷: Physics Unit18: Electric Currents，类别为 通用国际物理

[单选题]
What current is flow /*;faakz 3u5jh0h;x p+cnub,x gj/jpwin3 xm )lwplp jw)(plo0v(f .lsenv;7f:y2 4ing if $4.0 \times 10^{16} \; electrons$ pass a point in 0.50 s?

A. $0.013 \; A$
B. $0.31 \; A$
C. $6.3 \; A$
D. $78 \; A$


参考答案:  A


本题详细解析: 暂无

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