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]
11.38: For the circuit shown, th z d8))oi2uywmf f3o,p e fo +ghz9sehzz ah9h5qavlov n:)3yt- mj8 +/s1x ur light bulbs have identical resistance, all wires have zero resistance, and the battery is assumed to be ideal with emf ξ . When the switch, S, in hvh19 zh)+8gzmnhz/5 tj-+: a ye3avq xlos9s the circuit is closed, a wire of zero resistance is added into the circuit. Which of the light bulbs will be dimmer after the switch is closed?

A. Only bulb #2
B. Only bulb #4
C. Only bulbs #1 and #4
D. Only bulbs #2 and #4
E. Only bulbs #1 #2 and #4
参考答案: A
本题详细解析:
暂无
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