Power Systems
A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is

 2.26 Ω / phase.
 4.65 Ω / phase.
  8.06 Ω / phase.
 6.06 Ω / phase.

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Power Systems
Per unit of any quantity is defined as

 actual value of quantity /base value of quantity in different units
 actual value of quantity /base value of quantity in same units
 base value of quantity /actual value of quantity in same units
 base value of quantity /actual value of quantity in different units

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