本题目来源于试卷: .Resistor.，类别为 美国物理杯赛(Physics Bowl)
[单选题]
12.14: For the circuit s p:ahb -9nset)hown to the ri xg,r;6 km*f/y9a 0-xqbrz fpbght, what is the equivalent resistance? Ass yfxax6/ ,-fb;*g0pbm k9 rrqzume that all wires are ideal, the battery has no internal resistance, and all three resistors have identical resistance R.
A. $3 R$
B. $1.5R$
C. $0.667R$
D. $0.333R$
E. $R$
参考答案: B
本题详细解析:
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