Physics Unit20: Magnetism (id: 6815fd098)

本题目来源于试卷: Physics Unit20: Magnetism，类别为 国际高中通用物理

[单选题]
Two long parallel wires 7s2zwcego6r 2 :i* fuzymvc 6 hq6v)al;ql7x; (tidh0xu 6d+vcarry equal currents. The magnitude of the force between the wires is F. The current in each wire is now doubled. What is the magnitude of the new force between the tw dh0dtu+ vi6x(o 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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