DGVCL Exam Paper (11-12-2011)
The main advantage of using fractional pitch winding is to refuce

Harmonics in the generated emf
Amount of copper in the winding
Size of the machine
Cost of the machine

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DGVCL Exam Paper (11-12-2011)
Due to skin effect

Current flows through the half cross section of the conductor
Portion of the conductor near the surface carries less current and the core of the conductor carries more current
Uniform current flows through the conductor
Portion of the conductor near the surface carries more current and the core of the conductor carries less current

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