We can see how circuits work, and represent them with some simple diagrams, using basic electrical components like these. You start with a cell, or combination of cells. These could be batteries ...

"Hydraulic Schematics and Basic Circuit Design" provides an overview of basic hydraulic circuit configurations and the standard fluid symbols in fluid schematic diagrams. A hydraulic schematic diagram ...

In Chapter 1 the basic physics of an electric circuit were discussed ... A measuring instrument with the correct range. A mental or physical diagram of the circuit to be measured. A knowledge of the ...