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 wiresru i( if5n*k8c carry xi,-/ka ki9x r 9:: e)uqv lpyruv):mfqq pv14currents of 20 A and 5.0 A in opposite directions. The wires are separated by 0.20 m. What is the magnetic field midway:uxq:1ukqxi)) rvmkq p/fl94r-y,v9pavi e: between the two wires?
A. $1.0 \times 10^{-5} \; T$
B. $3.0 \times 10^{-5} \; T$
C. $4.0 \times 10^{-5} \; T$
D. $5.0 \times 10^{-5} \; T$
参考答案: D
本题详细解析:
暂无
| 
