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

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

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DGVCL Exam Paper (11-12-2011)
Hysteresis in an instrument means

The change in the same reading when the input is first increased and then decreased
The reliability of the instrument
The inaccuracy due to change in temperature
The repeatability of the instrument

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