Physics Unit20: Magnetism (id: 6815fd098)

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

[单选题]
Two long parallel wires carry equal currents. The mag04wsof3kd0(ha ndf6gnitude of the force 7mle8 znxr:s1 between the wires is F. The current in8x :1mzn 7eslr each wire is now doubled. What is the magnitude of the new force between the two wires?

A. $4 \; F$
B. $2 \; F$
C. $F/4$
D. $F/2$


参考答案:  A


本题详细解析: 暂无

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