Electricity and Circuits: Complex Circuits (id: c5207bfa4)

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 circuievp(,7 rtlhm4 jc9 o4wr7zod1t shown, the four lightbh ;gq5d3h:o foulbs have identical resistance,the battery is ideal and all wires have no resistance. After the switch, S, in the circuit is closed, which one of the followi;:d h5gq3o ohfng 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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