( ( ( ( ( ( Electrical charge ) , ) ( the ( electric ( field ( , ( ( energy and ) voltage ) ) ) ) ) ) , ) ( electrical current ) ) ; )
(ROOT (NP (NP (JJ Electrical) (NN charge)) (, ,) (NP (DT the) (JJ electric) (NN field) (, ,) (NN energy) (CC and) (NN voltage)) (, ,) (NP (JJ electrical) (NN current)) (: ;)))
Electrical charge, the electric field, energy and voltage, electrical current;
(ROOT (S (NP (NNP Voltage)) (VP (VP (VBZ is) (RB not) (NP (NP (DT the) (JJ same)) (PP (IN as) (NP (NN energy))))) (, ,) (CC but) (VP (VBZ means) (NP (NP (DT the) (NN energy)) (PP (IN per) (NP (NN unit) (NN charge)))))) (. .)))