本题目来源于试卷: Physics Unit21: Electromagnetic Induction & Faraday's Law，类别为 通用国际物理
[单选题]
A resistor and an inductor are connected in series to a battery. The battejjw6o1)zo2g d1g:vp lryzt 1/ +1ej iywa)ve;9-p vgzl;swv xi3 is suddenly removed from the-sxze y)wgiv3/wa9 p;t+zv jv1l e1;i circuit. The time constant for of the circuit represents the time required for the current to decrease to
A. 25% of the original value.
B. 37% of the original value.
C. 63% of the original value.
D. 75% of the original value.
参考答案: B
本题详细解析:
暂无
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