Diagram 1. For loads, elements of a circuit that use electricity, the voltage that appears across a load is positive at the terminal in which current enters the load and negative at the terminal where the current exits the load.
2021-03-young-DIA1
Diagram 1. For loads, elements of a circuit that use electricity, the voltage that appears across a load is positive at the terminal in which current enters the load and negative at the terminal where the current exits the load.