.Resistor. (id: 55db199d8)

本题目来源于试卷: .Resistor.，类别为 美国物理杯赛(Physics Bowl)

[单选题]
99.30: Given the simph. yhvp;n- v)j)bkw- alqw8*kkb:f6(pl-* e6 dqlpcwn1r n 1re7w :vpbe electrical circuit at the right. If the current in all three resistors is e1 kb1r w6fw r (nqnp87peqekcldv*:wp*:-lb6 qual, which of the following statements must be true?

A. $X, Y, $and $Z$all have equal resistance
B. $X$ and$Y$ have equal resistance
C. $X$ and$Y$ added together have the same resistance as $Z$
D. $X$ and$Y$ each have more resistance than $Z$
E. none of the above must be true


参考答案:  C


本题详细解析: 暂无

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