以铅和二氧化铅为例的电池，每节电池的电位差可产生2伏电压。
In the case of lead and lead dioxide, this potential difference is just over two volts per cell.
根据电压补偿原理，设计了自组电位差计的几种实验电路，用于测量干电池的电动势和内阻。
According to the voltage compensation method, several experiment circuits of potentiometer are designed to measure the voltage and the internal resistance of the dry battery.
用该方法可以计算接地网的工频电流下的任何参数，如工频接地阻抗、接触电压和跨步电压、网内电位差等。
The methods are able to compute any parameter of grounding grids in power current, such as power ground impedance, touch and step voltage, potential differences within grounding grids and so on.
在此情况下，两种溶液产生的化学电位差才会在每个交换膜上方形成电压。
In this situation, the chemical potential difference in the two solutions generates a voltage over each membrane.
常用的有电流表，电流表，电压的概念，电桥，电位差计数等。
Commonly used has the galvanometer, the amperemeter, a volt idea, the electric bridge, the potential difference counts and so on.
这种电位差能够产生很大的电流并且生成不希望有的电压降。
This potential difference can cause large currents to circulate and create unexpected voltage drops...
浮地测量是抑制地电位差或共模电压的一种高精度测量。
Floating measurements are one of high precision measurements with suppressing differences between grounds or common mode Voltages.
给出了一种利用霍尔效应测量螺线管磁场的新方法：用数字电压表取代电位差计等诸多仪器测量霍尔电势差，进而计算出通电长直螺线管内轴向磁场的分布。
Digital voltmeters, instead of voltage meters and other instruments, are used to measure Hull voltage and then to calculate the axial magnetic induction distribution in charged straight spiral tubes.
给出了一种利用霍尔效应测量螺线管磁场的新方法：用数字电压表取代电位差计等诸多仪器测量霍尔电势差，进而计算出通电长直螺线管内轴向磁场的分布。
Digital voltmeters, instead of voltage meters and other instruments, are used to measure Hull voltage and then to calculate the axial magnetic induction distribution in charged straight spiral tubes.
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