( ( loop ( ( current ( The amount ) ) ( of ( ( electric charge ) ( flowing ( past ( ( a ( specified ( circuit point ) ) ) ( per ( unit time ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB loop) (NP (NP (JJ current) (DT The) (NN amount)) (PP (IN of) (NP (NP (JJ electric) (NN charge)) (VP (VBG flowing) (PP (IN past) (NP (NP (DT a) (VBN specified) (NN circuit) (NN point)) (PP (IN per) (NP (NN unit) (NN time)))))))))) (. .)))
loop current The amount of electric charge flowing past a specified circuit point per unit time.
(ROOT (S (SBAR (IN Because) (S (NP (NNS charges)) (VP (MD must) (VP (VB have) (NP (DT an) (JJ unbroken) (NN path) (S (VP (TO to) (VP (VB follow))))))))) (, ,) (NP (JJ electric) (NN current)) (VP (MD can) (RB not) (VP (VB flow) (PP (IN through) (NP (DT a) (NN material))) (SBAR (IN unless) (S (NP (PRP it)) (VP (VBZ forms) (NP (DT a) (VBN closed) (NN loop))))))) (. .)))