问题
单项选择题
（2011）图示两电路相互等效，由图b）可知，流经10Ω电阻的电流IR=1A，由此可求得流经图a）电路中10Ω电阻的电流I等于：（）
A.1A
B.-1A
C.-3A
D.3A
答案
参考答案：A
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（2011）图示两电路相互等效，由图b）可知，流经10Ω电阻的电流IR=1A，由此可求得流经图a）电路中10Ω电阻的电流I等于：（）
A.1A
B.-1A
C.-3A
D.3A
参考答案：A
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