( ( electromagnet ( ( A magnet ) ( made ( by ( ( ( ( wrapping ( a ( wire coil ) ) ) ( around ( an ( iron bar ) ) ) ) and ) ( ( sending ( an ( electric current ) ) ) ( through ( the coil ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB electromagnet) (NP (NP (DT A) (NN magnet)) (VP (VBN made) (PP (IN by) (S (VP (VP (VBG wrapping) (NP (DT a) (NN wire) (NN coil)) (PP (IN around) (NP (DT an) (NN iron) (NN bar)))) (CC and) (VP (VBG sending) (NP (DT an) (JJ electric) (NN current)) (PP (IN through) (NP (DT the) (NN coil)))))))))) (. .)))
electromagnet A magnet made by wrapping a wire coil around an iron bar and sending an electric current through the coil.
(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.