本题目来源于试卷: Physics Unit19: DC Circuits，类别为 通用国际物理
[单选题]
The following three applianc*6w(rzm +pk:iu m7imr- s +imatqh.wkjhicsaj 4kt2c/z0m8; ir3 c,1es are connected to a 120-V circuit: 1200-W toaster, 650-W 2 wtictc8z/3a4scq0, i h1h;rjj k.mkcoffee pot, and 600-W microwave. If all were operated at the same time what total current would they draw?
A. $4.0 \; A$
B. $5.0 \; A$
C. $10 \; A$
D. $20 \; A$
参考答案: D
本题详细解析:
暂无
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