( ( The ( Electric ( Field ( Mapping Experiment ) ) ) ) ( ( is ( ( a ( common ( introductory ( lab experiment ) ) ) ) ( used ( to ( ( introduce students ) ( to ( ( the concepts ) ( of ( electric ( field ( and ( equipotential lines ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP Electric) (NNP Field) (NNP Mapping) (NNP Experiment)) (VP (VBZ is) (NP (NP (DT a) (JJ common) (JJ introductory) (NN lab) (NN experiment)) (VP (VBN used) (S (VP (TO to) (VP (VB introduce) (NP (NNS students)) (PP (TO to) (NP (NP (DT the) (NNS concepts)) (PP (IN of) (NP (JJ electric) (NN field) (CC and) (NN equipotential) (NNS lines))))))))))) (. .)))
The Electric Field Mapping Experiment is a common introductory lab experiment used to introduce students to the concepts of electric field and equipotential lines.
(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))))))) (. .)))