.Resistor. (id: 3354f1239)

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

[单选题]
03.17: A 9-volt battery is c0ejxbz9mw (m*kvv. 9 aonneb1jwzl5ptwd+6 mv 3pp4)o3lrcted to four resistors to form a simple circuit as sw+o jm3d tp614)bzpplw lv 53rhown to the right.
What would be the potential at point B with respect to point C in the above circuit?

A. $+7 V$
B. $+3 V$
C. $0 V$
D. $-3 V$
E. $-7 V$


参考答案:  D


本题详细解析: 暂无

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