Keywords electric current, power plant, generators, electric circuit, closed circuit, open circuit, switches, conductors, insulators, resistance, electromagnets, experiments, light, heat, motion ...

(Editor’s note: the author was confused between the GPL open-source Qucs and the closed-source, binary-only QucsStudio. We’ve cleaned that up.) QucsStudio supports a wide range of circuit ...

Under British Cycling regulations all Under 16 races must take place on traffic-free roads or a closed road circuit ... and commit to daring tactics always has a fighting chance. Open Youth circuit ...