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

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

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Power Systems
Which statement is not correct for the transmission line parameter R, L, G and C

 G = I/R. R is the AC resistance per unit length of conductor C.
 The line parameter R,L,G and C are uniformly distributed along the entire length of the line C.
 At high frequencies at which most of communication system operate the internal inductance of the conductor is neglected.
 For each line, the conductors are characterized by σ c, μ c, εo = ε c and the homog

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