( ( ( ( Electrical contacts ) and ) ( resistance wire ) ) . )
(ROOT (NP (NP (NP (JJ Electrical) (NNS contacts)) (CC and) (NP (NN resistance) (NN wire))) (. .)))
Electrical contacts and resistance wire.
(ROOT (S (PP (IN In) (NP (NP (NN relation)) (PP (TO to) (NP (JJ electrical) (NN current))))) (, ,) (NP (DT a) (JJ narrow) (NN wire)) (VP (MD will) (VP (VB have) (NP (JJR more) (NN resistance)) (PP (IN than) (NP (DT a) (JJ wide) (NN wire))))) (. .)))
In relation to electrical current, a narrow wire will have more resistance than a wide wire.