( ( Since ( ( metal ( conducting wires ) ) ( have ( an ( almost ( fixed ( electrical resistance ) ) ) ) ) ) ) ( , ( ( some power ) ( ( will ( be ( wasted ( as ( heat ( in ( the wires ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN Since) (S (NP (NN metal) (NN conducting) (NNS wires)) (VP (VBP have) (NP (DT an) (RB almost) (JJ fixed) (JJ electrical) (NN resistance))))) (, ,) (NP (DT some) (NN power)) (VP (MD will) (VP (VB be) (VP (VBN wasted) (PP (IN as) (NP (NP (NN heat)) (PP (IN in) (NP (DT the) (NNS wires)))))))) (. .)))
Since metal conducting wires have an almost fixed electrical resistance, some power will be wasted as heat in the wires.
(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.