For a given base voltage and base volt-amperes, the per unit impedance value is x. For the doubled base values of both voltage and volt-amperes, the per unit impedance will be (a) 2x (b) 0.25x (c) 0.5x (d) no change 

1 Answer

Answer :

Answer is 2x

Base impedance =(base voltage) ²/base current 

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