Alternating current flows primarily on the surface of a wire
the verdict
SUPPORTED
the evidence backs this
confidence 86/100
Alternating current flows primarily on the surface of a conductor due to the well-documented skin effect, which becomes more pronounced as frequency increases.
Evidence for · 4
Eddy-Current Losses in Cylindrical Conductors, with Special Applications to the Alternating Current Resistances of Short Coils
cited by 54
Paper 1 discusses the skin effect, noting that alternating current tends to concentrate on the skin of the conductor as frequency increases.
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More for · 3
Bridging thin and thick skin solutions for alternating currents in cracked conductors
2005 · cited by 23
Paper 3 notes that at high frequencies, alternating current flows in a superficial skin layer.
Transient skin effect in power electronic applications
2019 · cited by 8
Paper 7 describes the alternating current skin effect where current density changes and concentrates near the conductor surface.
Influence of (Sub) Structure Development within Rotary Swaged Al–Cu Clad Conductors on Skin Effect during Transfer of Alternating Current
2022 · cited by 4
Paper 9 explains the skin effect during alternating current transfer where current density tends to be inhomogeneous and concentrated across the conductor cross-section.