Physics Unit18: Electric Currents (id: ae92bee50)

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

[单选题]
A 500-W device is connected to a 120-Vmmq8+ jwf sgr+ +4c)i vh.2znv ac powel ,3.axz90ig1qc- rmvv/e sm sr source. What peak current flows through this devicex 9-v vmz.rcml0a3qs,1 gsei /?

A. $4.2 \; A$
B. $5.9 \; A$
C. $120 \; A$
D. $170 \; A$


参考答案:  B


本题详细解析: 暂无

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