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A 10 kVA, 400 V/200 V single phase transformer with 10% impedance draws a steady

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A 10 kVA, 400 V/200 V single phase transformer with 10% impedance draws a steady short-circuit line current of 

 (a) 250A (b) 50 A (c) 150 A (d) 350 A 
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A 10 kVA, 400 V/200 V single phase transformer with 10% impedance draws a steady short-circuit line current of 250A

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