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 sho 4ur, )ovwhw o1dc*(b ov9ui +kpjd/w* wn, the four lightbulbs have ide k6e)0ie:s yyimu x3r l(ec +d-ntical resistance,the battery is ideal 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 magnit ur6e+ys lc0kmy ie (: e)3-dxiude 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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