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Wednesday, January 14, 2015

If the supply frequency increases, then skin effect is ...........

Answer: increases

The skin effect depends upon the following factors:


  • Nature of material
  • Diameter of wire - increases with the diameter of wire
  • Frequency -    increases with the increases in frequency.
  • Shape of wire - less for stranded conductor than the solid conductor.

Skin effect is negligible for Frequency < 50 Hz

Conductor diameter < 1 Cm

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