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 wiresu0r a wc9o5b ref;75zs carry curnqtd3 6pt1t t4rents of 20 A and 5.0 A in opposite directions. The wires are separated by 0.20 m. At what point between the two wires are the contributions from the two wirest d4 pt31tnt6q the same?
A. 0.040 m from the 20 A wire
B. 0.080 m from the 20 A wire
C. 0.12 m from the 20 A wire
D. 0.16 m from the 20 A wire
参考答案: D
本题详细解析:
暂无
| 
