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 15 an rgmo.2m/1u ntrv9gegq)ba;5 d7 jody; 1 8geqni65 wksj8f*dw4kirp ( 30 $\Omega$ are connected in parallel. If the combination is connected in series with a 9.0-V battery and a 20 $\Omega$ resistor, what is the current through the 15 $\Omega$ resistor?
A. $0.10 \; A$
B. $0.13 \; A$
C. $0.20 \; A$
D. $0.26 \; A$
参考答案: C
本题详细解析:
暂无
| 
