A coil comprises a plurality of conductive layers, wherein a first conductive layer and a second conductive layer of the plurality of conductive layers each comprises a winding, and the first conductive layer is adjacent to the second conductive layer; wherein a first winding on the first conductive layer is electrically connected to a second winding on the second conductive layer, a first end of the first winding is connected to a first terminal electrode, and a second end on the second winding is connected to a second terminal electrode; wherein geometric central points of the first winding and the second winding are not spatially aligned.