Measurement of magnetic field force and permeability of vacuum;
载流导体的磁场力及真空磁导率的巧测量
Measuring alternating magnetic field and permeability of vacuum by oscillograph;
用示波器测交变磁场及真空磁导率
The theory and method of measuring the magnetic field force and permeability of vacuum around conductors with current by an electronic balance are introduced.
介绍了用电子分析天平测量平行载流导体间的磁场力和真空磁导率的原理和方法。
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