( ( An ( electrolytic cell ) ) ( ( is ( ( an ( electrochemical cell ) ) ( that ( undergoes ( ( a ( redox reaction ) ) ( when ( ( electrical energy ) ( is applied ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT An) (JJ electrolytic) (NN cell)) (VP (VBZ is) (NP (NP (DT an) (JJ electrochemical) (NN cell)) (SBAR (WHNP (WDT that)) (S (VP (VBZ undergoes) (NP (NP (DT a) (NN redox) (NN reaction)) (SBAR (WHADVP (WRB when)) (S (NP (JJ electrical) (NN energy)) (VP (VBZ is) (VP (VBN applied))))))))))) (. .)))
An electrolytic cell is an electrochemical cell that undergoes a redox reaction when electrical energy is applied.
(ROOT (S (NP (DT A) (JJ voltaic) (NN cell)) (VP (VBZ generates) (NP (DT an) (JJ electric) (NN current)) (PP (IN through) (NP (NP (DT a) (NN reaction)) (VP (VBN known) (PP (IN as) (NP (DT a) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (JJ spontaneous) (NN redox))))))) (. .)))