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 circuit sho ;op0is5.drypcq ;h3pwnlvv zlb.4am,o;vm bj2v14 m6k, the four lightbulbs have identical resistance,the battery is ideal and all wires have no resisb2 l4vjmv1z,;lb4 . mmvkv6 aotance. 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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