Q.In a biased differential relay the bias is defined as a ratio of 

  • ANumber of turns of restraining and operating coil. 
  • BOperating coil current and restraining coil current.
  • CFault current and Operating coil current.
  • DFault current and Restraining coil current.
Correct Answer : (A)

Number of turns of restraining and operating coil. 

Hints :

In a biased differential relay the bias is defined as a ratio of Number of turns of restraining and operating coil. 

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