本题目来源于试卷: Combine Problems，类别为 美国物理杯赛(Physics Bowl)
[单选题]
15.39: For the circuit shown, the four lightbulbs ha ;-6s 2 . cfotscbj*ron juws7d -q2dh;ve identica lhwl5n*y ,srmz4.:rdl resistance,the battery is idea d.*s5,hn wyz l4rml:rl and all wires have no resistance. After the switch, S, in the circuit is closed, which one of 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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