And because residential voltage always stays the same, electricians measure load and capacity in units of current, which are amperes, or amps. In basic electrical calculations, electricians use ...

We can see how circuits work, and represent them with some simple diagrams, using basic electrical components ... amount of energy transferred by each unit of charge passing between two points ...

Batteries and capacitors can both store electrical charge. It's measured in coulombs, named for Charles-Augustin de Coulomb, ...