Apparatus for measuring d . c . magnetic characteristic with ballistic galvanometer 冲击法直流磁特性测量装置
英文解释
a moving-coil galvanometer that measures electric charge
百科解释
A ballistic galvanometer is a type of sensitive galvanometer, commonly a mirror galvanometer. Unlike a current-measuring galvanometer, the moving part has a large moment of inertia, thus giving it a long oscillation period.