Physics Unit20: Magnetism (id: d8d0dedb4)

本题目来源于试卷: Physics Unit20: Magnetism，类别为 通用国际物理

[单选题]
How much current must -;tsclj em/*d,-c xpf+dtr(jflow fou1clc (v1o4jor $1.0 \times 10^{-3} \; T$ of magnetic field to be present 1.0 cm from a wire?

A. $0.05 \; A$
B. $9.2 \; A$
C. $16 \; A$
D. $50 \; A$


参考答案:  D


本题详细解析: 暂无

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