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 connected to four resistors to form a simple cir ,lnq9 itslar8 7y f,m*gu3cc8cuit d s33k zb02kx;nhff+n5b3+dyc)cft 7m7cj x k as shown to th d7kbn5+3cs2n; dk3 7yx3fjxc fbk fm c+hzt0)e 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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