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 simple electrical circuit at the r 7r1l:oixm , qpight. I 3hrf .tv+ 2fqur(g) etf the current in all three resistors is equal, whi )3+grtqt(2hru.f fve ch 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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