Sentence:In the sketch at right, the electromagnet formed by the [e1]coil[/e1] of the [e2]rotor[/e2] is represented as a permanent magnet, and the same torque (North attracts South) is seen to be that acting to align the central magnet.
 e1: coil. 
 e2 : rotor.
Answer: Component-Whole(e1,e2)