electric potential difference

• 电势差

electric potential difference的用法和样例：

例句

1. A voltmeter is an instrument used for measuring the electrical potential difference between two points in an electric circuit.
   伏特计是用于测量电路中两点之间电势差的仪器。
2. If a small potential difference exists between two ground points, some ground currents may flow through a sensitive part of the system.
   如果在两个接地点存在一个小的电势差，在系统的敏感部分就会有接地电流通过。
3. Frequently, there is a small difference in potential between the ground points.
   在各个接地点之间常常会存在一个很小的电位差。
4. The polarization is proportional to the deformation and causes an electric potential difference over the crystal.
   极化与变形时成比例的且能形成晶体内不同的电位差。