本题目来源于试卷: Combine Problems，类别为 美国物理杯赛(Physics Bowl)
[单选题]
09.26: For the circu sf:o apd zm*i*ys18 /tlz*ok4it shown, when a shorting wire (no 3ps.mjma2 u: yresistance) connects the 3:jy sa mmpu.2points labeled A and B, which of the numbered lightbulbs become brighter? Assume that all four bulbs are identical and have resistance R.
A. Bulb 1 only
B. Bulb 2 only
C. Bulb 3 only
D. Bulbs 1 and 3 only
E. Bulbs 1, 2, and 3
参考答案: D
本题详细解析:
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