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Electromagnetic TheorySkin Effect

Skin effect causes high-frequency current in a good conductor to concentrate mainly?

  • ANear the conductor surface
  • BUniformly throughout the entire cross-section
  • COnly at the conductor axis
  • DOutside the conductor with zero internal current
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Correct Answer: A. Near the conductor surface
Explanation: At higher frequency, electromagnetic diffusion causes current density to become concentrated near the surface.
Reference: Standard electromagnetic theory: skin effect
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