Physics Unit21: Electromagnetic Induction & Faraday's Law (id: 3f46bdea0)

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]
What inductance is necessary in sere1 uj) m-4nnmcies with a 500-W) dxoj,sd(ct 57sx/m u resistor for a phase angle of x sj5/st()dou ,xd 7cm$40^{\circ}$ at 10 kHz?

A. $84 \; mH$
B. $46 \; mH$
C. $20 \; mH$
D. $6.7 \; mH$


参考答案:  D


本题详细解析: 暂无

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