( ( ( ( Click ( on ( ( ( about ( a dozen ) ) points ) ( on ( the ( equipotential plot ) ) ) ) ) ) and ) ( notice ( ( the relationship ) ( between ( ( ( the ( field lines ) ) and ) ( the ( equipotential lines ) ) ) ) ) ) ) . )
(ROOT (S (VP (VP (VB Click) (PP (IN on) (NP (NP (QP (RB about) (DT a) (NN dozen)) (NNS points)) (PP (IN on) (NP (DT the) (JJ equipotential) (NN plot)))))) (CC and) (VP (VB notice) (NP (NP (DT the) (NN relationship)) (PP (IN between) (NP (NP (DT the) (NN field) (NNS lines)) (CC and) (NP (DT the) (JJ equipotential) (NNS lines))))))) (. .)))
Click on about a dozen points on the equipotential plot and notice the relationship between the field lines and the 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))))))) (. .)))