When the armature is rotated by an external power source, the magnet induces current in the wire, which can be conducted for use in an electrical appliance such as a light.

• 当电枢在外力的推动下开始旋转，磁铁就会使金属导线感应出电流。此电流能被传送到电子仪器上（比如灯泡）供使用。