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

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

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DGVCL Exam Paper (11-12-2011)
The advantage of slipring induction motor over the squirrel cage induction motor is

It is suitable for higher speeds
It has a higher efficiency
It can be started with the help of rotor resistances
It's power factor is higher

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