potential difference; voltage
Physics/electronics term for the difference in electric potential between two points. Often used interchangeably with 電圧 (voltage), though 電位差 emphasizes the difference between specific points.
Measure the potential difference across the battery terminals.
The greater the potential difference, the easier it is for current to flow.
potentiometer; voltage measuring device
Compound of 電位 (electric potential) and 差 (difference).