The invention relates to a device and a method for adjusting an inductance of at least one electric conductor (2), wherein the device (1 ) comprises an adjustment arrangement (3) with a first magnetically conductive element and at least a second magnetically conductive element, wherein the adjustment arrangement comprises at least a first spacer element (6), wherein the at least first spacer element (6) is arranged in between the first magnetically conductive element and the second magnetically conductive element.