By likening a capacitor to a storage tank and an induction coil to a coil spring, Tesla realized that a properly configured circuit could amplify electrical signals and raise them to ever higher frequencies and voltages.

• 将电容比拟为储存槽，感应线圈比拟为弹簧，使特士拉理解到，适当的组装电路可以将电流讯号放大，并且增加它的频率及电压。