Power Systems
In a 400 kV power network, 360 kV is recorded at 400 kV bus. The reactive power absorbed by a shunt reactor for 50 MVAr, 400 kV connected at the bus is

 61.73 MVAr.
 45.0 MVAr.
  40.5 MVAr.
 55.56 MVAr.

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Power Systems
In a biased differential relay the bias is defined as the ratio of

  operating coil current and restraining coil current.
  number of turns of restraining and operating coil.
  fault current and restraining coil current.
  fault current and operating coil current.

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