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

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

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DGVCL Exam Paper (11-12-2011)
A Mho relay is a

Voltage controlled over current relay
Directional restrained over current relay
Voltage restrained directional relay
Directional restrained over voltage relay

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