本题目来源于试卷: 美国2021年物理杯赛真题 PHYSICS BOWL 2021，类别为 美国物理杯赛(Physics Bowl)
[单选题]
You are given three 6-ohm resistors. Neglecting the resistance of any connecting wires, which of the following resistances CANNOT be made using one or more of these resistors?
A. 2 ohms
B. 3 ohms
C. 9 ohms
D. 12 ohms
E. 15 ohms
参考答案: E
本题详细解析:
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