electrodynamic galvanometer

例句：

1. 1.The new electronic device is designed to measure the strength of electric fields.
   这款新型电子设备旨在测量电场强度。
2. 2. The scientist used an electrodynamic galvanometer to detect the presence of a weak magnetic field.
   科学家使用一种电动式电表来探测微弱的磁场存在。
3. 3. In this experiment, the electrodynamic galvanometer was used to measure the voltage across the resistor.
   在这个实验中，电动式电表被用来测量电阻两端的电压。