DGVCL Exam Paper (11-12-2011)
An over excited synchronous motor draws current at

Leading power factor
Unity power factor
Lagging power factor
Depends on nature of load

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DGVCL Exam Paper (11-12-2011)
The corona effect can be minimized by increasing

The length of the conductor
Diameter of the conductor
Spacing between the conductors
Both spacing between the conductors and diameter of the conductor

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