( ( ( ( ( An electromagnet ) , ) ( in ( its ( simplest form ) ) ) ) , ) ( ( is ( ( a wire ) ( that ( has ( been ( coiled ( into ( ( ( ( ( one or ) more ) loops ) , ) ( known ( as ( a solenoid ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT An) (NN electromagnet)) (, ,) (PP (IN in) (NP (PRP$ its) (JJS simplest) (NN form))) (, ,)) (VP (VBZ is) (NP (NP (DT a) (NN wire)) (SBAR (WHNP (WDT that)) (S (VP (VBZ has) (VP (VBN been) (VP (VBN coiled) (PP (IN into) (NP (NP (QP (CD one) (CC or) (JJR more)) (NNS loops)) (, ,) (VP (VBN known) (PP (IN as) (NP (DT a) (NN solenoid))))))))))))) (. .)))
An electromagnet, in its simplest form, is a wire that has been coiled into one or more loops, known as a solenoid.
(ROOT (S (NP (NP (DT A) (NN solenoid) (CC or) (NN coil)) (VP (VBN wrapped) (PP (IN around) (NP (NN iron) (CC or) (JJ certain) (JJ other) (NNS metals))))) (VP (MD can) (VP (VB form) (NP (DT a) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (NN electromagnet)))) (. .)))
A solenoid or coil wrapped around iron or certain other metals can form a(n) electromagnet.