Sensitive Galvanometer, Model J0409, is suitable for the laboratories of middle schools and polytechnic schools to measure small electric current and electric potential difference.
J0409型灵敏电流计适用于中学、中专等实验室测量直流电路中微小电流和微小电势差。
Surveying the internal resistance of a sensitive electric current meter is a rather difficult and complicated electromagnetic experiment which is hard to get a high precision.
灵敏检流计内阻测量实验是电磁学实验中一个比较复杂有相当难度的实验，难就难在如何提高测量精度。
The Hall electric field and the Lorentz force produce forces in the same direction upon the holes. Therefore, both the linearity and the sensitivity of the magnetic field sensitive current…
霍耳电场和劳仑兹力对空穴产生同一方向的作用力，所以这种磁敏管的磁敏电流的线性度和灵敏度都比较高。
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