A 2500/250V, 25kVA transformer is connected as an auto transformer to give 2500/2750 V. Its rating would be

A)     250 kVA; 225 kVA is transformed conductively
B)      250 kVA; 225 kVA is transformed inductively
C)      275 kVA; 250 kVA is transformed inductively
D)     275 kVA; 250 kVA is transformed conductively

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