本题目来源于试卷: .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 b71v v(zthvix85pc +ba rm/jz7 aku *s)resistance of 12Ω when operating at 120 volts. What is the minimum amount of time that it would tjumsaz7)* k r/ake to warm 0.45 kg of water 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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