a transmission line for the transmission of electrical energy and signals , including at least one electrical conductor exhibiting high frequency skin effect ; a low conductivity magnetic composite layer surrounding the at least one conductor and exhibiting an inductance characteristic ; a resistive layer coupled to the magnetic composite layer and having a predetermined capacitance relative to ground potential , the resistive layer exhibiting a longitudinal resistance characteristic matched at least to the inductance characteristic of the magnetic composite layer to obtain a correspondingly determined low pass frequency characteristic wherein within a predetermined transition frequency range , current flow switches from the at least one conductor to the resistive layer .