Tuesday, September 29, 2020

POWER SYSTEM MCQ

 MCQ-4-Skin effect depends on

frequency
conductivity
relative permeability
all of the above
ANS:all of the above

HINT : Skin effect is inversely proportional to skin depth.
Skin effect ∝ 1/√(πfµσ) Where, f = frequency µ = permeability σ = conductivity


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