Electricity and Circuits: Inductors (id: b563e9e2d)

本题目来源于试卷: Electricity and Circuits: Inductors，类别为 美国物理杯赛(Physics Bowl)

[单选题]
10.45: For the ideal RL circ er. 2p8qpb sv2m7j:lavfj4 9zuit shown, the resistance u35) kfyy72wshuu 2os is R=10.0Ω, the inductance is L=5ufy 7)s23wsu ou5ky2h.0 H and the battery 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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