( ( ( ( ( ( When ( ( an ( electric current ) ) ( travels ( along ( a wire ) ) ) ) ) ( , ( ( the electrons ) ( crash ( against ( ( the sides ) ( of ( the wire ) ) ) ) ) ) ) ) , ) and ) ( ( a resistance ) ( is formed ) ) ) . )
(ROOT (S (S (SBAR (WHADVP (WRB When)) (S (NP (DT an) (JJ electric) (NN current)) (VP (VBZ travels) (PP (IN along) (NP (DT a) (NN wire)))))) (, ,) (NP (DT the) (NNS electrons)) (VP (VBP crash) (PP (IN against) (NP (NP (DT the) (NNS sides)) (PP (IN of) (NP (DT the) (NN wire))))))) (, ,) (CC and) (S (NP (DT a) (NN resistance)) (VP (VBZ is) (VP (VBN formed)))) (. .)))
When an electric current travels along a wire, the electrons crash against the sides of the wire, and a resistance is formed.
(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.