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]
15.39: For the circuit jg8*ef1 sv m8h shown avnf2pacdev9b35as lol*: :. wx vh)(, the four lightbulbs have identical resistance,the battery is ideal and all wires have no resistance. After the switch, S, in the circuit is closed, which one p*fa9v 2v:35ha)c(dbl.xaoe :s l wvnof the following choices correctly describes what happens to the magnitude of the current at the point labeled P and to the magnitude of the potential difference from Wto X?
 
A.
B.
C.
D.
E.
参考答案: E
本题详细解析:
暂无
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