( Stereos ( ( ( store energy ) ( ( ( ( as ( ( ( ( separated electric ) charge ) ( in devices ) ) ( called capacitors ) ) ) , ) or ) ( as ( ( ( magnetic fields ) ( in devices ) ) ( called inductors ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Stereos)) (VP (VBP store) (NP (NN energy)) (SBAR (SBAR (IN as) (S (NP (NP (ADJP (JJ separated) (NN electric)) (NN charge)) (PP (IN in) (NP (NNS devices)))) (VP (VBD called) (NP (NNS capacitors))))) (, ,) (CC or) (SBAR (IN as) (S (NP (NP (JJ magnetic) (NNS fields)) (PP (IN in) (NP (NNS devices)))) (VP (VBD called) (NP (NNS inductors))))))) (. .)))
Stereos store energy as separated electric charge in devices called capacitors, or as magnetic fields in devices called inductors.
(ROOT (S (NP (NNP Capacitors)) (VP (VBP are) (NP (NP (DT the) (NNS devices)) (VP (VBN placed) (PP (IN in) (NP (JJ electric) (NNS circuits))) (SBAR (WHADVP (WRB where)) (S (NP (NN charge)) (VP (MD can) (VP (VP (VB build) (PRT (RP up)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBP store) (NP (NN energy)) (SBAR (WHADVP (WRB when)) (S (VP (VBD charged)))))))) (CC and) (VP (VB release) (NP (PRP it)) (SBAR (WHADVP (WRB when)) (S (NP (PRP they)) (VP (VB discharge)))))))))))) (. .)))