本题目来源于试卷: --Inductors，类别为 美国物理杯赛(Physics Bowl)
[单选题]
10.45: For the ideal RL c plr8 go r-nkf1yig pbmda;+)a.l(k-)ircuit shown, the resistance is R=10.0Ω, the axzg5j otv / odpeb+q07f(:( cinductance is L=5.0 H and the batter q0tx5f d:7(vp+ oe (ajc oz/gby has voltage $\xi_{bat}$ = 12 vlots. Some time after the switch S in the circuit is closed, the ammeter in the circuit reads 0.40 A. At what rate is energy being stored by the inductor at this instant (in Watts)?
A. 0.40
B. 1.0
C. 2.0
D. 3.2
E. 4.8
参考答案: D
本题详细解析:
暂无
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