In Electric circuit the End point is always called return because the electrons travel back to the source it came from.
The diagrams are a big help when workers try to find out why a circuit does not work correctly.
A circuit diagram or wiring diagram uses symbols to represent parts of a circuit.
We tour schools offering either single project days, or more extended project work over many weeks and combining multidisciplinary work, mainly to students aged 11 to 14. Through the construction of these cars students learn about electrical circuits and how solar energy functions.