本题目来源于试卷: Electricity and Circuits: Resistor，类别为 美国物理杯赛(Physics Bowl)
[单选题]
02.46: A hotplate is designed such that it has a resistancl c::;ny- 2utj0ptjalwr49r be of 12Ω )f;uo a7t8tzy* 4/vvgd1 sqzb when operating at 120 volts. What is the minimum amount of time that it would take to warm 0.45 kg of wate qf1t7)4agb dt 8*zus ov/;vyzr from $15^{\circ}C$ to$85^{\circ}C$?
A. 20s
B. 26s
C. 110s
D. 180s
E. 220s
参考答案: C
本题详细解析:
暂无
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