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.
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