Editing Alternating current (section)

=== Techniques for reducing AC resistance ===
For low to medium frequencies, conductors can be divided into stranded wires, each insulated from the others, with the relative positions of individual strands specially arranged within the conductor bundle. Wire constructed using this technique is called [[Litz wire]]. This measure helps to partially mitigate skin effect by forcing more equal current throughout the total cross section of the stranded conductors. Litz wire is used for making [[Quality factor|high-Q]] [[inductor]]s, reducing losses in flexible conductors carrying very high currents at lower frequencies, and in the windings of devices carrying higher [[radio frequency]] current (up to hundreds of kilohertz), such as switch-mode [[power supply|power supplies]] and [[radio frequency]] [[transformer]]s.