A 400 V/100 V, 10 kVA two-winding transformer is reconnected as ___

A 400 V/100 V, 10 kVA two-winding transformer is reconnected as an auto-transformer across a suitable voltage source.

The maximum rating of such an arrangement could be

A. 50 kVA
B. 15 kVA
C. 12.5 kVA
D. 8.75 kVA

Show Answer

Answer: A

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