( ( Transformer ( A transformer ) ) ( ( is ( ( a device ) ( used ( for ( ( ( ( converting ( an ( alternating ( electric current ) ) ) ) ( from ( ( one voltage ) ( to another ) ) ) ) , ) ( depending ( upon ( electro-magnetic induction ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Transformer) (DT A) (NN transformer)) (VP (VBZ is) (NP (NP (DT a) (NN device)) (VP (VBN used) (PP (IN for) (S (VP (VBG converting) (NP (DT an) (JJ alternating) (JJ electric) (NN current)) (PP (IN from) (NP (NP (CD one) (NN voltage)) (PP (TO to) (NP (DT another))))) (, ,) (PP (VBG depending) (PP (IN upon) (NP (JJ electro-magnetic) (NN induction)))))))))) (. .)))
Transformer A transformer is a device used for converting an alternating electric current from one voltage to another, depending upon electro-magnetic induction.
(ROOT (S (NP (DT A) (JJ electronic) (NN transformer)) (VP (VBZ uses) (NP (JJ electromagnetic) (NN induction) (S (VP (TO to) (VP (VB change) (NP (NP (DT the) (NN voltage)) (PP (IN of) (NP (JJ electric) (NN current))))))))) (. .)))