Skin Effect | Transmission And Distribution Objective Type Questions and answers
1. The skin effect in a conductor results in
A. Increases in its DC resistance
B. Decrease in its AC resistance
C. Increase in its AC resistance
D. None of the above
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C. Increase in its AC resistance
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2. The skin effect of a conductor reduces with the increase in
A. Supply frequency
B. Resistivity of the conductor material
C.X-section of conductor
D. Permeability of conductor material
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3. Skin effect exists in
A. Cable carrying DC current
B. DC transmission line only
C. AC transmission line only
D. DC as well as AC transmission lines
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4. Skin effect in a conductor becomes more pronounced
A. At higher frequency
B. At lower frequency
C. At DC
D. None of the above
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5. Skin effect is proportional to
A. ( Conductor diameter )4
B. ( Conductor diameter )2
C. ( Conductor diameter )3
D. ( Conductor diameter )1/2
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