| 
        本题目来源于试卷:  Physics Unit19: DC Circuits ,类别为 通用国际物理 
[单选题]Two resistors of 5.0 vmcqt p 95hk8t t;t 8yd-*4aiyand 9k og)5 uqr+f1m.0 $\Omega$ are connected in parallel. A 4.0 $\Omega$ resistor is then connected in series with the parallel combination. A 6.0-V battery is then connected to the series-parallel combination. What is the current through the 4.0 $\Omega$ resistor?
 
 
 
A. zero B. 0.53 A
 C. 0.83 A
 D. 0.30 A
 
 
 参考答案:  C
 
 
 本题详细解析:
 暂无
 |