( ( Electric ( Field ( Lines ( Java applet ) ) ) ) ( ( helps ( ( visualise ( electric ( field ( ( lines and ) equipotentials ) ) ) ) ( due ( to ( ( a pair ) ( of charges ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Electric) (NNP Field) (NNP Lines) (NNP Java) (NN applet)) (VP (VBZ helps) (S (NP (JJ visualise) (JJ electric) (NN field) (NNS lines) (CC and) (NNS equipotentials)) (ADJP (JJ due) (PP (TO to) (NP (NP (DT a) (NN pair)) (PP (IN of) (NP (NNS charges)))))))) (. .)))
Electric Field Lines Java applet helps visualise electric field lines and equipotentials due to a pair of charges.
(ROOT (S (SBAR (IN Since) (S (NP (DT the) (JJ electric) (NN field) (NNS lines)) (VP (VBP point) (ADVP (RB radially)) (ADVP (RB away) (PP (IN from) (NP (DT the) (NN charge))))))) (, ,) (NP (PRP they)) (VP (VBP are) (ADJP (JJ perpendicular) (S (VP (TO to) (VP (VB equipotential) (NP (NNS lines))))))) (. .)))