Physics Unit21: Electromagnetic Induction & Faraday's Law (id: 0e3c49c57)

本题目来源于试卷: Physics Unit21: Electromagnetic Induction & Faraday's Law，类别为 国际高中通用物理

[单选题]
A 4.0-mH coil carries a current ofax j4v-j0,clc ++ ukp*xmbtq* 5.0 Agyj(y)bvp/a3l zr b3 ,. How much energy is stored in the coil's magnetic field3abyr/,( gly v3j zpb)?

A. $2.0 \; mJ$
B. $10 \; mJ$
C. $20 \; mJ$
D. none of the given answers


参考答案:  D


本题详细解析: 暂无

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