Two transformers A and B each rated for 40kVA have core losses of 500W and 250W respectively and full load copper losses of 500W and 750W respectively. Which transformer will be preferred to supply lighting loads with the following output pattern? Four hours: Full load, Eight hours: Half load, Remaining twelve hours: No load

A)Cannot be predicted
B)Either Transformer A or Transformer B
C)Transformer B only
D)Transformer A only




Answer : C)Transformer B only