.Resistor. (id: ccdb07b0a)

本题目来源于试卷: .Resistor.，类别为 美国物理杯赛(Physics Bowl)

[单选题]
05.21: A household ir y*b3h9tqt5m0d a e,rmon used to press clothes is marked "120 volt, l g7n)nj,k,qi600 watt.” In normal use, the currejng,qil7k ,)nnt in it is

A. 0.2A
B. 2A
C. 4A
D. 5A
E. 7.2A


参考答案:  D


本题详细解析: 暂无

微信扫一扫，分享更方便