( ( h ( that ( voltage ( is ( ( the energy ) ( transferred ( per ( unit charge ) ) ) ) ) ) ) ) ; )
(ROOT (S (VP (VB h) (SBAR (IN that) (S (NP (NN voltage)) (VP (VBZ is) (NP (NP (DT the) (NN energy)) (VP (VBN transferred) (PP (IN per) (NP (NN unit) (NN charge))))))))) (: ;)))
h that voltage is the energy transferred per unit charge;
(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)))))) (. .)))