DGVCL Exam Paper (11-12-2011)
The purpose of providing a choke in a tube light is

To limit the current to an appropriate value
To avoid radio interference
To eliminate corona effect
To improve the power factor

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DGVCL Exam Paper (11-12-2011)
The purpose of skewing of rotor slots in an induction motor is

To reduce the locking tendency of the rotor
To increase the breadth factor
To reduce the magnetic hum of the motor
To increase the distributuion factor

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