When the core is displaced, the inductive reactance of the secondary coil is unbalanced. 当铁芯移动时,次线圈的感抗就不平衡。
But their resulting inductive reactance is completely swamped the resistance resulting from their being scattered in the metal. 但由此所产生的感抗完全被其在金属中受到散射而产生的电阻掩盖了。