本题目来源于试卷: Physics Unit21: Electromagnetic Induction & Faraday's Law，类别为 国际高中通用物理
[单选题]
A series RL circuit with inductance L a q( z2ws)bztxl1gx 0o/nd resistancew kkfga i yf:45*c)2ut R is connected to an $emf$. After a period of time, the current reaches a final value of 2.0 A. A second series circuit is identical except that the inductance is 2L. When it is connected to the same $emf$, what will be the final value of the current?
A. $0.50 \; A$
B. $1.0 \; A$
C. $2.0 \; A$
D. $4.0 \; A$
参考答案: C
本题详细解析:
暂无
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