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 desigyy5j/yi+ek7lf c3 xu5 n(oxc cf;j/x 8eed such that it has a resistance of 12Ω when operating at 120 volts. o xf j/ce8(;cxWhat is the minimum amount of time that it would take 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:
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