Electricity and Circuits: Complex Circuits (id: ace566392)

本题目来源于试卷: Electricity and Circuits: Complex Circuits，类别为 美国物理杯赛(Physics Bowl)

[单选题]
03.35: A circuit is connected ask8af qlj/bkz4,.y64qg/d+t )l hv q vj shown. All lightbulbs a ;)wf(f+ 36qy gmkkgytre identical. When the switc yg3fwfyqm+( )k6;tgkh in the circuit is closed illuminating bulb #4, which other bulb(s) also become brighter?

A. Bulb #1 only
B. Bulb #2 only
C. Bulbs #2 and #3 only
D. Bulbs #1, #2, and #3
E. None of the bulbs.


参考答案:  A


本题详细解析: 暂无

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