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 y1t7q1yge (xz:1gdg3j5npsd . Tjr**1qs k kv 8kshu1 u0da(aoxi2e+e/he battery is suddenly removed from the circuit. The time constant for of the circuit repre he uevs2q8jduk1* xsk or+i(/0k1 aa*sents 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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